Przykaladowy_projekt.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {
    "colab_type": "text",
    "id": "o90iM2aNH_ce"
   },
   "source": [
    "# Przykładowy projekt z przetwarzania danych\n",
    "Autor: Andrzej Manujło\n",
    "\n",
    "\n",
    "\n",
    "  \n",
    "Pliki z danymi należy umieścić w tym samym katalogu co notebook"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "colab_type": "text",
    "id": "uUbrYCE0H_ch"
   },
   "source": [
    "## Import potrzebnych biblotek\n",
    "do obsługi plików xml i csv oraz pakietów numpy i pandas"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "xydREJcqH_cj"
   },
   "outputs": [],
   "source": [
    "from xml.etree import cElementTree\n",
    "import csv\n",
    "import pandas as pd\n",
    "import numpy as np"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 291
    },
    "colab_type": "code",
    "id": "_XEwoYkeJhZG",
    "outputId": "3666bb2a-0cd8-43b9-f17c-d028f71be6ab"
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "--2020-03-23 14:24:02--  https://archive.org/download/stackexchange/travel.stackexchange.com.7z\n",
      "Resolving archive.org (archive.org)... 207.241.224.2\n",
      "Connecting to archive.org (archive.org)|207.241.224.2|:443... connected.\n",
      "HTTP request sent, awaiting response... 302 Found\n",
      "Location: https://ia600107.us.archive.org/27/items/stackexchange/travel.stackexchange.com.7z [following]\n",
      "--2020-03-23 14:24:02--  https://ia600107.us.archive.org/27/items/stackexchange/travel.stackexchange.com.7z\n",
      "Resolving ia600107.us.archive.org (ia600107.us.archive.org)... 207.241.227.247\n",
      "Connecting to ia600107.us.archive.org (ia600107.us.archive.org)|207.241.227.247|:443... connected.\n",
      "HTTP request sent, awaiting response... 200 OK\n",
      "Length: 114668451 (109M) [application/x-7z-compressed]\n",
      "Saving to: ‘/tmp/plik.tar.7z’\n",
      "\n",
      "/tmp/plik.tar.7z    100%[===================>] 109.36M  1.72MB/s    in 48s     \n",
      "\n",
      "2020-03-23 14:24:50 (2.26 MB/s) - ‘/tmp/plik.tar.7z’ saved [114668451/114668451]\n",
      "\n"
     ]
    }
   ],
   "source": [
    "!wget --no-check-certificate \\\n",
    "     https://archive.org/download/stackexchange/travel.stackexchange.com.7z \\\n",
    "    -O /tmp/plik.tar.7z\n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 414
    },
    "colab_type": "code",
    "id": "mTb24GglLFfY",
    "outputId": "a9f01446-7f6f-403e-a36c-4130aa949390"
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "7-Zip [64] 16.02 : Copyright (c) 1999-2016 Igor Pavlov : 2016-05-21\n",
      "p7zip Version 16.02 (locale=en_US.UTF-8,Utf16=on,HugeFiles=on,64 bits,2 CPUs Intel(R) Xeon(R) CPU @ 2.20GHz (406F0),ASM,AES-NI)\n",
      "\n",
      "Scanning the drive for archives:\n",
      "  0M Scan /tmp/\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b               \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b1 file, 114668451 bytes (110 MiB)\n",
      "\n",
      "Extracting archive: /tmp/plik.tar.7z\n",
      "--\n",
      "Path = /tmp/plik.tar.7z\n",
      "Type = 7z\n",
      "Physical Size = 114668451\n",
      "Headers Size = 335\n",
      "Method = BZip2\n",
      "Solid = +\n",
      "Blocks = 5\n",
      "\n",
      "  0%\b\b\b\b    \b\b\b\b  2% - Badges.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                 \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b  4% 1 - Comments.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                     \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b  5% 1 - Comments.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                     \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b  6% 1 - Comments.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                     \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b  7% 1 - Comments.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                     \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b  9% 1 - Comments.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                     \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 10% 1 - Comments.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                     \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 12% 1 - Comments.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                     \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 13% 1 - Comments.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                     \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 15% 1 - Comments.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                     \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 16% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 17% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 18% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 20% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 21% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 23% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 24% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 25% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 27% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 28% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 30% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 31% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 33% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 34% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 36% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 37% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 39% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 41% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 42% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 43% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 44% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 45% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 47% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 48% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 50% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 51% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 52% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 54% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 55% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 57% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 58% 2 - PostHistory.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                        \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 60% 4 - Posts.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                  \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 61% 4 - Posts.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                  \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 63% 4 - Posts.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                  \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 64% 4 - Posts.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                  \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 65% 4 - Posts.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                  \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 66% 4 - Posts.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                  \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 68% 4 - Posts.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                  \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 69% 4 - Posts.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                  \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 70% 4 - Posts.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                  \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 71% 4 - Posts.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                  \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 73% 4 - Posts.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                  \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 74% 4 - Posts.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                  \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 75% 4 - Posts.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                  \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 76% 4 - Posts.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                  \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 78% 4 - Posts.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                  \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 79% 4 - Posts.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                  \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 80% 4 - Posts.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                  \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 82% 4 - Posts.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                  \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 83% 6 - Users.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                  \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 84% 6 - Users.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                  \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 86% 6 - Users.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                  \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 88% 7 - Votes.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                  \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 90% 7 - Votes.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                  \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 93% 7 - Votes.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                  \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 95% 7 - Votes.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                  \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b 98% 7 - Votes.xml\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b                  \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\bEverything is Ok\n",
      "\n",
      "Files: 8\n",
      "Size:       635565847\n",
      "Compressed: 114668451\n"
     ]
    }
   ],
   "source": [
    "!7z e /tmp/plik.tar.7z"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 51
    },
    "colab_type": "code",
    "id": "ooaNe5XhT1b2",
    "outputId": "8fca9979-cab3-4f59-bc0f-849220e6e1aa"
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Badges.xml    PostHistory.xml  Posts.xml     Tags.xml   Votes.xml\n",
      "Comments.xml  PostLinks.xml    \u001b[0m\u001b[01;34msample_data\u001b[0m/  Users.xml\n"
     ]
    }
   ],
   "source": [
    "ls \n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "colab_type": "text",
    "id": "v-XVoRyHH_cn"
   },
   "source": [
    "# 1. Wczytanie danych i zapis do plików CSV, stworzenie DataFarmes z danymi"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "colab_type": "text",
    "id": "bXYnxCd0H_co"
   },
   "source": [
    "## Stworzenie słownika SEDE ze strukturą danych w plikach i typami danych\n",
    "źródła:  \n",
    "https://ia800107.us.archive.org/27/items/stackexchange/readme.txt  \n",
    "https://meta.stackexchange.com/questions/2677/database-schema-documentation-for-the-public-data-dump-and-sede\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 154
    },
    "colab_type": "code",
    "id": "G8WBZSjkH_cp",
    "outputId": "0246b85c-64de-4295-cf15-f9a902545fc5"
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Badges\n",
      "Comments\n",
      "Posts\n",
      "Votes\n",
      "PostHistory\n",
      "PostLinks\n",
      "Users\n",
      "Tags\n"
     ]
    }
   ],
   "source": [
    "\n",
    "SEDE = {\n",
    "  'Badges': {\n",
    "    'Id': 'int32',\n",
    "    'UserId': 'int32',\n",
    "    'Class': 'int32',\n",
    "    'Name': 'str',\n",
    "    'Date': 'str',\n",
    "    'TagBased': 'bool',\n",
    "  },\n",
    "  'Comments': {\n",
    "    'Id': 'int32',\n",
    "    'PostId': 'int32',\n",
    "    'Score': 'int32',\n",
    "    'Text': 'str',\n",
    "    'CreationDate': 'str',\n",
    "    'UserId': 'float',\n",
    "    'UserDisplayName': 'str'\n",
    "  },\n",
    "  'Posts': {\n",
    "      'Id': 'int32',\n",
    "      'PostTypeId': 'int32',\n",
    "      'ParentId': 'float',\n",
    "      'AcceptedAnswerId': 'float',\n",
    "      'CreationDate': 'str',\n",
    "      'Score': 'int32',\n",
    "      'ViewCount': 'float',\n",
    "      'Body': 'str',\n",
    "      'OwnerUserId': 'float',\n",
    "      'OwnerDisplayName': 'str',\n",
    "      'LastEditorUserId': 'float',\n",
    "      'LastEditorDisplayName': 'str',\n",
    "      'LastEditDate': 'str',\n",
    "      'LastActivityDate': 'str',\n",
    "      'CommunityOwnedDate': 'str',\n",
    "      'Title': 'str',\n",
    "      'Tags': 'str',\n",
    "      'AnswerCount': 'float',\n",
    "      'CommentCount': 'float',\n",
    "      'FavoriteCount': 'float',\n",
    "      'ClosedDate': 'str'\n",
    "  },\n",
    "  'Votes': {\n",
    "      'Id': 'int32',\n",
    "      'PostId': 'int32',\n",
    "      'UserId': 'float',\n",
    "      'VoteTypeId': 'int32',\n",
    "      'CreationDate': 'str',\n",
    "      'BountyAmount': 'float'\n",
    "  },\n",
    "  'PostHistory': {\n",
    "      'Id': 'int32',\n",
    "      'PostHistoryTypeId': 'int32',\n",
    "      'PostId': 'int32',\n",
    "      'RevisionGUID': 'str',\n",
    "      'CreationDate': 'str',\n",
    "      'UserId': 'float',\n",
    "      'UserDisplayName': 'str',\n",
    "      'Comment': 'str',\n",
    "      'Text': 'str'\n",
    "  },\n",
    "  'PostLinks': {\n",
    "      'Id': 'int32',\n",
    "      'CreationDate': 'str',\n",
    "      'PostId': 'int32',\n",
    "      'RelatedPostId': 'int32',\n",
    "      'PostLinkTypeId': 'float',\n",
    "      'LinkTypeId': 'int32'\n",
    "  },\n",
    "  'Users': {\n",
    "      'Id': 'int32',\n",
    "      'Reputation': 'int32',\n",
    "      'CreationDate': 'str',\n",
    "      'DisplayName': 'str',\n",
    "      'LastAccessDate': 'str',\n",
    "      'WebsiteUrl': 'str',\n",
    "      'Location': 'str',\n",
    "      'Age': 'float',\n",
    "      'AboutMe': 'str',\n",
    "      'Views': 'int32',\n",
    "      'UpVotes': 'int32',\n",
    "      'DownVotes': 'int32',\n",
    "      'AccountId': 'float',\n",
    "      'ProfileImageUrl': 'str'\n",
    "  },\n",
    "  'Tags': {\n",
    "      'Id': 'int32',\n",
    "      'TagName': 'str',\n",
    "      'Count': 'int32',\n",
    "      'ExcerptPostId': 'float',\n",
    "      'WikiPostId': 'float'\n",
    "  }\n",
    "}\n",
    "for file_name in SEDE:\n",
    "    print(file_name)\n",
    "    \n",
    "#wydrukowanie nazw df do stworzenia"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "X3EG9i-qH_ct"
   },
   "outputs": [],
   "source": [
    "for dfname in SEDE:\n",
    "    exec('{} = pd.DataFrame()'.format(dfname))\n",
    "#  przygotowanie nazw do zapisu plików CSV "
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "colab_type": "text",
    "id": "sKaCMTOAH_cw"
   },
   "source": [
    "## Pętla do stworzenia plików CSV z XML:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 154
    },
    "colab_type": "code",
    "id": "oazD-ez9H_cx",
    "outputId": "ca8fa941-3248-4d83-ae5f-22363cc46a13"
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Read:  Badges\n",
      "Read:  Comments\n",
      "Read:  Posts\n",
      "Read:  Votes\n",
      "Read:  PostHistory\n",
      "Read:  PostLinks\n",
      "Read:  Users\n",
      "Read:  Tags\n"
     ]
    }
   ],
   "source": [
    "def parserek(fh,filename):\n",
    "    events = cElementTree.iterparse(fh)\n",
    "    for event, elem in events:\n",
    "        if elem.tag != 'row':\n",
    "            continue\n",
    "        result = []\n",
    "        for key in SEDE[filename]:\n",
    "            try:\n",
    "                result.append(elem.attrib[key])\n",
    "            except KeyError:\n",
    "                result.append('')\n",
    "        yield result\n",
    "        elem.clear()\n",
    "for file_name in SEDE:\n",
    "    print('Read: ',file_name)\n",
    "    writer = csv.writer(open(file_name+'.csv', 'w'))\n",
    "    for line in parserek(open(file_name+'.xml'),file_name):\n",
    "        writer.writerow(line)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "colab_type": "text",
    "id": "KcWM4_VrH_c0"
   },
   "source": [
    "## Wczytanie danych z plików CSV do Pandas DataFrame wraz z nazwanmiem odpowiednich kolumn korzystając ze słownika SEDE"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "nu0dlSfSH_c2"
   },
   "outputs": [],
   "source": [
    "Badges = pd.read_csv('Badges.csv', header=None, names=SEDE['Badges'], dtype = SEDE['Badges'] )\n",
    "Comments = pd.read_csv('Comments.csv', header=None, names=SEDE['Comments'], dtype = SEDE['Comments'])\n",
    "Posts = pd.read_csv('Posts.csv', header=None, names=SEDE['Posts'], dtype = SEDE['Posts'])\n",
    "Votes = pd.read_csv('Votes.csv', header=None, names=SEDE['Votes'], dtype = SEDE['Votes'])\n",
    "PostHistory = pd.read_csv('PostHistory.csv', header=None, names=SEDE['PostHistory'], dtype = SEDE['PostHistory'])\n",
    "PostLinks = pd.read_csv('PostLinks.csv', header=None, names=SEDE['PostLinks'], dtype = SEDE['PostLinks'])\n",
    "Users = pd.read_csv('Users.csv', header=None, names=SEDE['Users'], dtype = SEDE['Users'])\n",
    "Tags = pd.read_csv('Tags.csv', header=None, names=SEDE['Tags'], dtype = SEDE['Tags'])\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "colab_type": "text",
    "id": "gvqmCFnzH_c6"
   },
   "source": [
    "## Wyświetlenie info() oraz head() dla wszystkich  DF do sprawdzenia poprawności wczytania"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 206
    },
    "colab_type": "code",
    "id": "r3qZ9RcyH_c7",
    "outputId": "45dae066-7afc-4749-e7cd-49572fb21fc1"
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<class 'pandas.core.frame.DataFrame'>\n",
      "RangeIndex: 177916 entries, 0 to 177915\n",
      "Data columns (total 6 columns):\n",
      "Id          177916 non-null int32\n",
      "UserId      177916 non-null int32\n",
      "Class       177916 non-null int32\n",
      "Name        177916 non-null object\n",
      "Date        177916 non-null object\n",
      "TagBased    177916 non-null bool\n",
      "dtypes: bool(1), int32(3), object(2)\n",
      "memory usage: 4.9+ MB\n"
     ]
    }
   ],
   "source": [
    "Badges.info()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 203
    },
    "colab_type": "code",
    "id": "IV7mQRHOH_c-",
    "outputId": "9ee0acbd-e968-4aa4-b941-744ef7331666"
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
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       "\n",
       "    .dataframe tbody tr th {\n",
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       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>Id</th>\n",
       "      <th>UserId</th>\n",
       "      <th>Class</th>\n",
       "      <th>Name</th>\n",
       "      <th>Date</th>\n",
       "      <th>TagBased</th>\n",
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       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>1</td>\n",
       "      <td>2</td>\n",
       "      <td>3</td>\n",
       "      <td>Autobiographer</td>\n",
       "      <td>2011-06-21T20:16:48.910</td>\n",
       "      <td>False</td>\n",
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       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>2</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>Autobiographer</td>\n",
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       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>3</td>\n",
       "      <td>4</td>\n",
       "      <td>3</td>\n",
       "      <td>Autobiographer</td>\n",
       "      <td>2011-06-21T20:16:48.910</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>4</td>\n",
       "      <td>6</td>\n",
       "      <td>3</td>\n",
       "      <td>Autobiographer</td>\n",
       "      <td>2011-06-21T20:21:49.157</td>\n",
       "      <td>False</td>\n",
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       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>5</td>\n",
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       "      <td>3</td>\n",
       "      <td>Autobiographer</td>\n",
       "      <td>2011-06-21T20:21:49.157</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
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       "</div>"
      ],
      "text/plain": [
       "   Id  UserId  Class            Name                     Date  TagBased\n",
       "0   1       2      3  Autobiographer  2011-06-21T20:16:48.910     False\n",
       "1   2       3      3  Autobiographer  2011-06-21T20:16:48.910     False\n",
       "2   3       4      3  Autobiographer  2011-06-21T20:16:48.910     False\n",
       "3   4       6      3  Autobiographer  2011-06-21T20:21:49.157     False\n",
       "4   5       8      3  Autobiographer  2011-06-21T20:21:49.157     False"
      ]
     },
     "execution_count": 11,
     "metadata": {
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    }
   ],
   "source": [
    "Badges.head()"
   ]
  },
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   "cell_type": "code",
   "execution_count": 0,
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     "base_uri": "https://localhost:8080/",
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    "outputId": "c38aca72-78f8-4362-a1f7-c145247eb9c4"
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   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<class 'pandas.core.frame.DataFrame'>\n",
      "RangeIndex: 18063 entries, 0 to 18062\n",
      "Data columns (total 7 columns):\n",
      "Id                 18063 non-null int32\n",
      "PostId             18063 non-null int32\n",
      "Score              18063 non-null int32\n",
      "Text               18063 non-null object\n",
      "CreationDate       18063 non-null object\n",
      "UserId             17788 non-null float64\n",
      "UserDisplayName    289 non-null object\n",
      "dtypes: float64(1), int32(3), object(3)\n",
      "memory usage: 776.3+ KB\n"
     ]
    }
   ],
   "source": [
    "Comments.info()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "nJHc62XKH_dF"
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   "outputs": [],
   "source": [
    "Comments.head()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 463
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    "colab_type": "code",
    "id": "NoO0CLAMH_dH",
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    {
     "name": "stdout",
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     "text": [
      "<class 'pandas.core.frame.DataFrame'>\n",
      "RangeIndex: 109747 entries, 0 to 109746\n",
      "Data columns (total 21 columns):\n",
      "Id                       109747 non-null int32\n",
      "PostTypeId               109747 non-null int32\n",
      "ParentId                 64658 non-null float64\n",
      "AcceptedAnswerId         16412 non-null float64\n",
      "CreationDate             109747 non-null object\n",
      "Score                    109747 non-null int32\n",
      "ViewCount                40707 non-null float64\n",
      "Body                     109338 non-null object\n",
      "OwnerUserId              106565 non-null float64\n",
      "OwnerDisplayName         3748 non-null object\n",
      "LastEditorUserId         56978 non-null float64\n",
      "LastEditorDisplayName    4357 non-null object\n",
      "LastEditDate             60728 non-null object\n",
      "LastActivityDate         109747 non-null object\n",
      "CommunityOwnedDate       312 non-null object\n",
      "Title                    40707 non-null object\n",
      "Tags                     40707 non-null object\n",
      "AnswerCount              40707 non-null float64\n",
      "CommentCount             109747 non-null float64\n",
      "FavoriteCount            9485 non-null float64\n",
      "ClosedDate               9183 non-null object\n",
      "dtypes: float64(8), int32(3), object(10)\n",
      "memory usage: 16.3+ MB\n"
     ]
    }
   ],
   "source": [
    "Posts.info()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "kZ-qcDDYH_dK"
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   "outputs": [],
   "source": [
    "Posts.head()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "IRqq8eTCH_dN"
   },
   "outputs": [],
   "source": [
    "Votes.info()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "Wf1Z6ZNHH_dP"
   },
   "outputs": [],
   "source": [
    "Votes.head()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "6C0LPuigH_dT"
   },
   "outputs": [],
   "source": [
    "PostHistory.info()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "auRSYvWeH_dX"
   },
   "outputs": [],
   "source": [
    "PostHistory.head()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "dkaoWtA3H_da"
   },
   "outputs": [],
   "source": [
    "PostLinks.info()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "YLrerNOLH_dd"
   },
   "outputs": [],
   "source": [
    "PostLinks.head()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "NBVCZ_gMH_dg"
   },
   "outputs": [],
   "source": [
    "Users.info()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "kr8OgxcfH_dj"
   },
   "outputs": [],
   "source": [
    "Users.head()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 188
    },
    "colab_type": "code",
    "id": "IxHhneJvH_dl",
    "outputId": "f46b1912-e9b3-476a-c892-89136547162b"
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<class 'pandas.core.frame.DataFrame'>\n",
      "RangeIndex: 1636 entries, 0 to 1635\n",
      "Data columns (total 5 columns):\n",
      "Id               1636 non-null int32\n",
      "TagName          1636 non-null object\n",
      "Count            1636 non-null int32\n",
      "ExcerptPostId    1628 non-null float64\n",
      "WikiPostId       1628 non-null float64\n",
      "dtypes: float64(2), int32(2), object(1)\n",
      "memory usage: 51.2+ KB\n"
     ]
    }
   ],
   "source": [
    "Tags.info()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 203
    },
    "colab_type": "code",
    "id": "qF0_yURhH_do",
    "outputId": "3b2de00d-200f-4ebe-a53f-a85398d9765f",
    "scrolled": false
   },
   "outputs": [
    {
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       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>Id</th>\n",
       "      <th>TagName</th>\n",
       "      <th>Count</th>\n",
       "      <th>ExcerptPostId</th>\n",
       "      <th>WikiPostId</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>1</td>\n",
       "      <td>cruising</td>\n",
       "      <td>145</td>\n",
       "      <td>2138.0</td>\n",
       "      <td>2137.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>2</td>\n",
       "      <td>caribbean</td>\n",
       "      <td>53</td>\n",
       "      <td>357.0</td>\n",
       "      <td>356.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>4</td>\n",
       "      <td>vacations</td>\n",
       "      <td>53</td>\n",
       "      <td>319.0</td>\n",
       "      <td>318.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>6</td>\n",
       "      <td>amazon-river</td>\n",
       "      <td>10</td>\n",
       "      <td>14548.0</td>\n",
       "      <td>14547.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>8</td>\n",
       "      <td>romania</td>\n",
       "      <td>158</td>\n",
       "      <td>1792.0</td>\n",
       "      <td>1791.0</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   Id       TagName  Count  ExcerptPostId  WikiPostId\n",
       "0   1      cruising    145         2138.0      2137.0\n",
       "1   2     caribbean     53          357.0       356.0\n",
       "2   4     vacations     53          319.0       318.0\n",
       "3   6  amazon-river     10        14548.0     14547.0\n",
       "4   8       romania    158         1792.0      1791.0"
      ]
     },
     "execution_count": 13,
     "metadata": {
      "tags": []
     },
     "output_type": "execute_result"
    }
   ],
   "source": [
    "Tags.head()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "colab_type": "text",
    "id": "FIz0FzzQH_dt"
   },
   "source": [
    "Import biblioteki sqllite, stworzenie bazy danych i wczytanie DF do niej  \n",
    "Operacje wykonane w celu weryfikacji wyników uzyskowanych podczas operacji na DF"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "colab_type": "text",
    "id": "H2No4aaCH_dx"
   },
   "source": [
    "# 2. Zapytania  \n",
    "zapytania DF - rozwiąznia zadania"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 359
    },
    "colab_type": "code",
    "id": "4s-9TSYvH_dy",
    "outputId": "bc30e790-4d91-4e18-eabd-48642f34fbba"
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>TagName</th>\n",
       "      <th>Count</th>\n",
       "      <th>OwnerUserId</th>\n",
       "      <th>Location</th>\n",
       "      <th>DisplayName</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>diet</td>\n",
       "      <td>258</td>\n",
       "      <td>26.0</td>\n",
       "      <td>None</td>\n",
       "      <td>michaelpri</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>dermatology</td>\n",
       "      <td>206</td>\n",
       "      <td>169.0</td>\n",
       "      <td>United States</td>\n",
       "      <td>anongoodnurse</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>side-effects</td>\n",
       "      <td>131</td>\n",
       "      <td>11231.0</td>\n",
       "      <td>None</td>\n",
       "      <td>LаngLаngС</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>eye</td>\n",
       "      <td>121</td>\n",
       "      <td>26.0</td>\n",
       "      <td>None</td>\n",
       "      <td>michaelpri</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>mental-health</td>\n",
       "      <td>117</td>\n",
       "      <td>1127.0</td>\n",
       "      <td>None</td>\n",
       "      <td>Mousey</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>digestion</td>\n",
       "      <td>109</td>\n",
       "      <td>140.0</td>\n",
       "      <td>San Francisco, CA, United States</td>\n",
       "      <td>Dave Liu</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>neurology</td>\n",
       "      <td>98</td>\n",
       "      <td>140.0</td>\n",
       "      <td>San Francisco, CA, United States</td>\n",
       "      <td>Dave Liu</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7</th>\n",
       "      <td>tendinopathy</td>\n",
       "      <td>96</td>\n",
       "      <td>26.0</td>\n",
       "      <td>None</td>\n",
       "      <td>michaelpri</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>8</th>\n",
       "      <td>micronutrients</td>\n",
       "      <td>96</td>\n",
       "      <td>169.0</td>\n",
       "      <td>United States</td>\n",
       "      <td>anongoodnurse</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>9</th>\n",
       "      <td>treatment</td>\n",
       "      <td>90</td>\n",
       "      <td>140.0</td>\n",
       "      <td>San Francisco, CA, United States</td>\n",
       "      <td>Dave Liu</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "          TagName  Count  ...                          Location    DisplayName\n",
       "0            diet    258  ...                              None     michaelpri\n",
       "1     dermatology    206  ...                     United States  anongoodnurse\n",
       "2    side-effects    131  ...                              None      LаngLаngС\n",
       "3             eye    121  ...                              None     michaelpri\n",
       "4   mental-health    117  ...                              None         Mousey\n",
       "5       digestion    109  ...  San Francisco, CA, United States       Dave Liu\n",
       "6       neurology     98  ...  San Francisco, CA, United States       Dave Liu\n",
       "7    tendinopathy     96  ...                              None     michaelpri\n",
       "8  micronutrients     96  ...                     United States  anongoodnurse\n",
       "9       treatment     90  ...  San Francisco, CA, United States       Dave Liu\n",
       "\n",
       "[10 rows x 5 columns]"
      ]
     },
     "execution_count": 21,
     "metadata": {
      "tags": []
     },
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# 10 najbardziej popularnych tagów stworzonych przez \"żywych\"\n",
    "# użytkowników serwisu"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 357
    },
    "colab_type": "code",
    "id": "d4x88jixH_d1",
    "outputId": "1715da71-3a65-47ec-b1e6-cba9790b281f"
   },
   "outputs": [
    {
     "data": {
      "text/html": [
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       "<style scoped>\n",
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       "\n",
       "    .dataframe tbody tr th {\n",
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       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>TagName</th>\n",
       "      <th>Count</th>\n",
       "      <th>OwnerUserId</th>\n",
       "      <th>Location</th>\n",
       "      <th>DisplayName</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>usa</td>\n",
       "      <td>4735.0</td>\n",
       "      <td>26.0</td>\n",
       "      <td>Oxford, United Kingdom</td>\n",
       "      <td>Gagravarr</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>uk</td>\n",
       "      <td>4287.0</td>\n",
       "      <td>26.0</td>\n",
       "      <td>Oxford, United Kingdom</td>\n",
       "      <td>Gagravarr</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>customs-and-immigration</td>\n",
       "      <td>3256.0</td>\n",
       "      <td>108.0</td>\n",
       "      <td>London, UK</td>\n",
       "      <td>Ankur Banerjee</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>schengen</td>\n",
       "      <td>3202.0</td>\n",
       "      <td>140.0</td>\n",
       "      <td>Bang Chak, Phra Khanong, Bangkok, Thailand</td>\n",
       "      <td>hippietrail</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>transit</td>\n",
       "      <td>1959.0</td>\n",
       "      <td>4171.0</td>\n",
       "      <td>Giv'at Shmuel, Israel</td>\n",
       "      <td>Ari Brodsky</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>indian-citizens</td>\n",
       "      <td>1637.0</td>\n",
       "      <td>140.0</td>\n",
       "      <td>Bang Chak, Phra Khanong, Bangkok, Thailand</td>\n",
       "      <td>hippietrail</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>passports</td>\n",
       "      <td>1598.0</td>\n",
       "      <td>1375.0</td>\n",
       "      <td>Kuwait</td>\n",
       "      <td>Burhan Khalid</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7</th>\n",
       "      <td>trains</td>\n",
       "      <td>1465.0</td>\n",
       "      <td>26.0</td>\n",
       "      <td>Oxford, United Kingdom</td>\n",
       "      <td>Gagravarr</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>8</th>\n",
       "      <td>canada</td>\n",
       "      <td>1379.0</td>\n",
       "      <td>101.0</td>\n",
       "      <td>Christchurch, New Zealand</td>\n",
       "      <td>Mark Mayo</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>9</th>\n",
       "      <td>luggage</td>\n",
       "      <td>1289.0</td>\n",
       "      <td>4995.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>pnuts</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "                   TagName  ...     DisplayName\n",
       "0                      usa  ...       Gagravarr\n",
       "1                       uk  ...       Gagravarr\n",
       "2  customs-and-immigration  ...  Ankur Banerjee\n",
       "3                 schengen  ...     hippietrail\n",
       "4                  transit  ...     Ari Brodsky\n",
       "5          indian-citizens  ...     hippietrail\n",
       "6                passports  ...   Burhan Khalid\n",
       "7                   trains  ...       Gagravarr\n",
       "8                   canada  ...       Mark Mayo\n",
       "9                  luggage  ...           pnuts\n",
       "\n",
       "[10 rows x 5 columns]"
      ]
     },
     "execution_count": 17,
     "metadata": {
      "tags": []
     },
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df=Tags\n",
    "df2=df.merge(Posts, left_on='WikiPostId', right_on='Id', how='outer').\\\n",
    "sort_values(by=['Count'], ascending=False)\n",
    "df2[~np.isnan(df2.OwnerUserId)].merge(Users, left_on='OwnerUserId', right_on='Id', how='outer')\\\n",
    "[['TagName','Count','OwnerUserId','Location','DisplayName']].\\\n",
    "sort_values(by=['Count'], ascending=False).head(10).reset_index(drop=True)\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 728
    },
    "colab_type": "code",
    "id": "mxusIbJpz4AC",
    "outputId": "22a5fe42-2b5c-4a41-c68e-0e9b60cce306"
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
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       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>Id_x</th>\n",
       "      <th>TagName</th>\n",
       "      <th>Count</th>\n",
       "      <th>ExcerptPostId</th>\n",
       "      <th>WikiPostId</th>\n",
       "      <th>Id_y</th>\n",
       "      <th>PostTypeId</th>\n",
       "      <th>ParentId</th>\n",
       "      <th>AcceptedAnswerId</th>\n",
       "      <th>CreationDate</th>\n",
       "      <th>Score</th>\n",
       "      <th>ViewCount</th>\n",
       "      <th>Body</th>\n",
       "      <th>OwnerUserId</th>\n",
       "      <th>OwnerDisplayName</th>\n",
       "      <th>LastEditorUserId</th>\n",
       "      <th>LastEditorDisplayName</th>\n",
       "      <th>LastEditDate</th>\n",
       "      <th>LastActivityDate</th>\n",
       "      <th>CommunityOwnedDate</th>\n",
       "      <th>Title</th>\n",
       "      <th>Tags</th>\n",
       "      <th>AnswerCount</th>\n",
       "      <th>CommentCount</th>\n",
       "      <th>FavoriteCount</th>\n",
       "      <th>ClosedDate</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>15</th>\n",
       "      <td>20.0</td>\n",
       "      <td>visas</td>\n",
       "      <td>9216.0</td>\n",
       "      <td>311.0</td>\n",
       "      <td>310.0</td>\n",
       "      <td>310.0</td>\n",
       "      <td>5.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>2011-06-23T17:51:00.200</td>\n",
       "      <td>0.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>&lt;p&gt;A visa is a token giving rights to apply to...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>user141</td>\n",
       "      <td>28333.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>2018-10-16T13:43:06.880</td>\n",
       "      <td>2018-10-16T13:43:06.880</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>0.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>9</th>\n",
       "      <td>14.0</td>\n",
       "      <td>usa</td>\n",
       "      <td>4735.0</td>\n",
       "      <td>158.0</td>\n",
       "      <td>157.0</td>\n",
       "      <td>157.0</td>\n",
       "      <td>5.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>2011-06-22T03:48:37.413</td>\n",
       "      <td>0.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>&lt;h3&gt;&lt;img src=\"https://i.stack.imgur.com/Q6l0V....</td>\n",
       "      <td>26.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>1480.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>2019-02-06T02:31:14.157</td>\n",
       "      <td>2019-02-06T02:31:14.157</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>0.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>132</th>\n",
       "      <td>197.0</td>\n",
       "      <td>uk</td>\n",
       "      <td>4287.0</td>\n",
       "      <td>413.0</td>\n",
       "      <td>412.0</td>\n",
       "      <td>412.0</td>\n",
       "      <td>5.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>2011-06-24T13:40:03.563</td>\n",
       "      <td>0.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>&lt;h3&gt;&lt;img src=\"https://i.stack.imgur.com/ciLTp....</td>\n",
       "      <td>26.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>26433.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>2016-08-22T13:43:12.407</td>\n",
       "      <td>2016-08-22T13:43:12.407</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>0.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>34</th>\n",
       "      <td>46.0</td>\n",
       "      <td>air-travel</td>\n",
       "      <td>4099.0</td>\n",
       "      <td>255.0</td>\n",
       "      <td>254.0</td>\n",
       "      <td>254.0</td>\n",
       "      <td>5.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>2011-06-22T20:48:02.337</td>\n",
       "      <td>0.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>&lt;p&gt;&lt;img src=\"https://i.stack.imgur.com/p9b0Y.j...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>user141</td>\n",
       "      <td>NaN</td>\n",
       "      <td>user89966</td>\n",
       "      <td>2019-09-03T21:17:05.127</td>\n",
       "      <td>2019-09-03T21:17:05.127</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>0.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>133</th>\n",
       "      <td>199.0</td>\n",
       "      <td>customs-and-immigration</td>\n",
       "      <td>3256.0</td>\n",
       "      <td>541.0</td>\n",
       "      <td>540.0</td>\n",
       "      <td>540.0</td>\n",
       "      <td>5.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>2011-06-28T11:28:22.193</td>\n",
       "      <td>0.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>&lt;p&gt;&lt;a href=\"http://en.wikipedia.org/wiki/Custo...</td>\n",
       "      <td>108.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>4995.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>2017-01-20T00:35:57.470</td>\n",
       "      <td>2017-01-20T00:35:57.470</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>0.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
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       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
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       "      <td>2.0</td>\n",
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       "      <td>2020-03-01T00:11:03.930</td>\n",
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       "      <td>NaN</td>\n",
       "      <td>&lt;p&gt;You've got it right. United uses a few diff...</td>\n",
       "      <td>13650.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>2020-03-01T00:11:03.930</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>0.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>109751</th>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>154457.0</td>\n",
       "      <td>1.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>2020-03-01T01:42:45.633</td>\n",
       "      <td>0.0</td>\n",
       "      <td>27.0</td>\n",
       "      <td>&lt;p&gt;My mother is a US citizen but overstayed in...</td>\n",
       "      <td>108904.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>17153.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>2020-03-01T01:47:35.333</td>\n",
       "      <td>2020-03-01T01:47:35.333</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Question about my mom (US citizen) returning t...</td>\n",
       "      <td>&lt;usa&gt;&lt;citizen&gt;</td>\n",
       "      <td>0.0</td>\n",
       "      <td>4.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>109752</th>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>154458.0</td>\n",
       "      <td>2.0</td>\n",
       "      <td>135672.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>2020-03-01T02:28:29.870</td>\n",
       "      <td>1.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>&lt;p&gt;No, you do not need to wait for a certain p...</td>\n",
       "      <td>106630.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>2020-03-01T02:28:29.870</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>0.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>109753</th>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>154459.0</td>\n",
       "      <td>2.0</td>\n",
       "      <td>154454.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>2020-03-01T02:31:34.030</td>\n",
       "      <td>1.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>&lt;p&gt;As you've said, United uses different WiFi ...</td>\n",
       "      <td>984.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>2020-03-01T02:31:34.030</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>0.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>109754</th>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>154461.0</td>\n",
       "      <td>1.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>2020-03-01T04:22:23.317</td>\n",
       "      <td>0.0</td>\n",
       "      <td>6.0</td>\n",
       "      <td>&lt;p&gt;I will be traveling with my wife to UK in M...</td>\n",
       "      <td>108906.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>2020-03-01T04:22:23.317</td>\n",
       "      <td>NaN</td>\n",
       "      <td>UK Standard Visa - Bank Statements</td>\n",
       "      <td>&lt;uk&gt;&lt;standard-visitor-visas&gt;</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>109755 rows × 26 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "         Id_x                  TagName  ...  FavoriteCount  ClosedDate\n",
       "15       20.0                    visas  ...            NaN         NaN\n",
       "9        14.0                      usa  ...            NaN         NaN\n",
       "132     197.0                       uk  ...            NaN         NaN\n",
       "34       46.0               air-travel  ...            NaN         NaN\n",
       "133     199.0  customs-and-immigration  ...            NaN         NaN\n",
       "...       ...                      ...  ...            ...         ...\n",
       "109750    NaN                      NaN  ...            NaN         NaN\n",
       "109751    NaN                      NaN  ...            NaN         NaN\n",
       "109752    NaN                      NaN  ...            NaN         NaN\n",
       "109753    NaN                      NaN  ...            NaN         NaN\n",
       "109754    NaN                      NaN  ...            NaN         NaN\n",
       "\n",
       "[109755 rows x 26 columns]"
      ]
     },
     "execution_count": 18,
     "metadata": {
      "tags": []
     },
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df2\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "rW2dNpyoH_d4"
   },
   "outputs": [],
   "source": [
    "# Ile głosów \"za\" (up-votes) ma każdy post\n",
    "#Uwaga: specjalnie ignorujemy kolumnę Posts.S\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 417
    },
    "colab_type": "code",
    "id": "Vl1n3Ly0H_d7",
    "outputId": "d2f9c246-f76a-4a0c-81cc-b7b971f7f30c"
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
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       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>PostId</th>\n",
       "      <th>UpVotes</th>\n",
       "    </tr>\n",
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       "      <th>0</th>\n",
       "      <td>1</td>\n",
       "      <td>10</td>\n",
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       "      <td>2</td>\n",
       "      <td>39</td>\n",
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       "      <th>2</th>\n",
       "      <td>3</td>\n",
       "      <td>16</td>\n",
       "    </tr>\n",
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       "      <th>3</th>\n",
       "      <td>4</td>\n",
       "      <td>9</td>\n",
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       "      <th>4</th>\n",
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       "      <td>14</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
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       "      <th>105493</th>\n",
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       "      <td>2</td>\n",
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       "      <th>105494</th>\n",
       "      <td>154452</td>\n",
       "      <td>1</td>\n",
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       "    <tr>\n",
       "      <th>105495</th>\n",
       "      <td>154455</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>105496</th>\n",
       "      <td>154458</td>\n",
       "      <td>1</td>\n",
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       "    <tr>\n",
       "      <th>105497</th>\n",
       "      <td>154459</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>105498 rows × 2 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "        PostId  UpVotes\n",
       "0            1       10\n",
       "1            2       39\n",
       "2            3       16\n",
       "3            4        9\n",
       "4            5       14\n",
       "...        ...      ...\n",
       "105493  154449        2\n",
       "105494  154452        1\n",
       "105495  154455        1\n",
       "105496  154458        1\n",
       "105497  154459        1\n",
       "\n",
       "[105498 rows x 2 columns]"
      ]
     },
     "execution_count": 19,
     "metadata": {
      "tags": []
     },
     "output_type": "execute_result"
    }
   ],
   "source": [
    "pd.DataFrame(Votes[Votes.VoteTypeId == 2].groupby('PostId').size(), columns=['UpVotes']).reset_index()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "iu_mGWuAH_d-"
   },
   "outputs": [],
   "source": [
    "# Tytuły i miary jakości całkiem popularnych i lubianych pytań"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 696
    },
    "colab_type": "code",
    "id": "Ff8T0U2uH_eC",
    "outputId": "57c2b1d0-b015-4d09-a1e5-68dc1569c513"
   },
   "outputs": [
    {
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       "      <td>When traveling to a country with a different c...</td>\n",
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       "      <td>23846.0</td>\n",
       "      <td>39.0</td>\n",
       "    </tr>\n",
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       "      <th>1</th>\n",
       "      <td>How can I do a \"broad\" search for flights?</td>\n",
       "      <td>111</td>\n",
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       "      <td>63.0</td>\n",
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       "      <th>2</th>\n",
       "      <td>Tactics to avoid getting harassed by corrupt p...</td>\n",
       "      <td>190</td>\n",
       "      <td>18415.0</td>\n",
       "      <td>55.0</td>\n",
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       "      <th>3</th>\n",
       "      <td>How to avoid drinking vodka?</td>\n",
       "      <td>168</td>\n",
       "      <td>18524.0</td>\n",
       "      <td>33.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>Flight tickets: buy two weeks before even duri...</td>\n",
       "      <td>125</td>\n",
       "      <td>65159.0</td>\n",
       "      <td>41.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>OK we're all adults here, so really, how on ea...</td>\n",
       "      <td>336</td>\n",
       "      <td>98046.0</td>\n",
       "      <td>84.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>Why are one-way plane tickets more expensive t...</td>\n",
       "      <td>58</td>\n",
       "      <td>32398.0</td>\n",
       "      <td>25.0</td>\n",
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       "      <th>7</th>\n",
       "      <td>Japanese etiquette: Most common (and offensive...</td>\n",
       "      <td>63</td>\n",
       "      <td>33043.0</td>\n",
       "      <td>32.0</td>\n",
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       "      <td>Is it possible to make a decent income from tr...</td>\n",
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       "      <td>10604.0</td>\n",
       "      <td>40.0</td>\n",
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       "    <tr>\n",
       "      <th>9</th>\n",
       "      <td>Why are airline passengers asked to lift up wi...</td>\n",
       "      <td>240</td>\n",
       "      <td>129558.0</td>\n",
       "      <td>39.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>10</th>\n",
       "      <td>How to intentionally get denied entry to the U...</td>\n",
       "      <td>238</td>\n",
       "      <td>70551.0</td>\n",
       "      <td>56.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>11</th>\n",
       "      <td>When I travel next, I want to reach the point ...</td>\n",
       "      <td>110</td>\n",
       "      <td>12176.0</td>\n",
       "      <td>27.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>12</th>\n",
       "      <td>How do you know if Americans genuinely/literal...</td>\n",
       "      <td>303</td>\n",
       "      <td>39497.0</td>\n",
       "      <td>105.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>13</th>\n",
       "      <td>Where is the quietest place on Earth?</td>\n",
       "      <td>70</td>\n",
       "      <td>17436.0</td>\n",
       "      <td>25.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>14</th>\n",
       "      <td>How do airlines determine ticket prices?</td>\n",
       "      <td>86</td>\n",
       "      <td>12608.0</td>\n",
       "      <td>46.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>15</th>\n",
       "      <td>I have two passports/nationalities. How do I u...</td>\n",
       "      <td>89</td>\n",
       "      <td>233479.0</td>\n",
       "      <td>39.0</td>\n",
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       "    <tr>\n",
       "      <th>16</th>\n",
       "      <td>Should I submit bank statements when applying ...</td>\n",
       "      <td>116</td>\n",
       "      <td>155225.0</td>\n",
       "      <td>35.0</td>\n",
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       "    <tr>\n",
       "      <th>17</th>\n",
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       "      <td>150</td>\n",
       "      <td>135438.0</td>\n",
       "      <td>40.0</td>\n",
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       "    <tr>\n",
       "      <th>18</th>\n",
       "      <td>How to cope with too slow Wi-Fi at hotel?</td>\n",
       "      <td>86</td>\n",
       "      <td>41538.0</td>\n",
       "      <td>43.0</td>\n",
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       "    <tr>\n",
       "      <th>19</th>\n",
       "      <td>My name causes an issue with any booking! (nam...</td>\n",
       "      <td>268</td>\n",
       "      <td>166287.0</td>\n",
       "      <td>38.0</td>\n",
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       "    <tr>\n",
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       "                                                Title  ...  FavoriteCount\n",
       "0   When traveling to a country with a different c...  ...           39.0\n",
       "1          How can I do a \"broad\" search for flights?  ...           63.0\n",
       "2   Tactics to avoid getting harassed by corrupt p...  ...           55.0\n",
       "3                        How to avoid drinking vodka?  ...           33.0\n",
       "4   Flight tickets: buy two weeks before even duri...  ...           41.0\n",
       "5   OK we're all adults here, so really, how on ea...  ...           84.0\n",
       "6   Why are one-way plane tickets more expensive t...  ...           25.0\n",
       "7   Japanese etiquette: Most common (and offensive...  ...           32.0\n",
       "8   Is it possible to make a decent income from tr...  ...           40.0\n",
       "9   Why are airline passengers asked to lift up wi...  ...           39.0\n",
       "10  How to intentionally get denied entry to the U...  ...           56.0\n",
       "11  When I travel next, I want to reach the point ...  ...           27.0\n",
       "12  How do you know if Americans genuinely/literal...  ...          105.0\n",
       "13              Where is the quietest place on Earth?  ...           25.0\n",
       "14           How do airlines determine ticket prices?  ...           46.0\n",
       "15  I have two passports/nationalities. How do I u...  ...           39.0\n",
       "16  Should I submit bank statements when applying ...  ...           35.0\n",
       "17  OK, we are all adults here, so what is a bidet...  ...           40.0\n",
       "18          How to cope with too slow Wi-Fi at hotel?  ...           43.0\n",
       "19  My name causes an issue with any booking! (nam...  ...           38.0\n",
       "20  What's the longest distance that can be travel...  ...           28.0\n",
       "\n",
       "[21 rows x 4 columns]"
      ]
     },
     "execution_count": 20,
     "metadata": {
      "tags": []
     },
     "output_type": "execute_result"
    }
   ],
   "source": [
    "Posts[(Posts.PostTypeId== 1) & (Posts.FavoriteCount >= 25) & (Posts.ViewCount>= 10000)][['Title','Score','ViewCount','FavoriteCount']].reset_index(drop=True)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "ndOrQfNCH_eE",
    "scrolled": false
   },
   "outputs": [],
   "source": [
    "\n",
    "# 10 najczęściej poruszanych zagadnień\n",
    "# (często użytkownicy zadają nowe pytania, na które już udzielone\n",
    "#odpowiedzi, wówczas społeczność tworzy odpowiednie odnośniki między pytaniami)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "-oKIReB3H_eH"
   },
   "outputs": [],
   "source": [
    "pd.DataFrame(PostLinks.groupby('RelatedPostId')\\\n",
    "             .size().nlargest(10).rename(Posts.set_index('Id')['Title']),columns=['NumLinks'])\\\n",
    "                .reset_index().rename({'RelatedPostId': 'Title'}, axis='columns')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "CJyEjrw0H_eK"
   },
   "outputs": [],
   "source": [
    "# Zliczanie głosów za i przeciw dla postów, które mają > 0 głosów za\n",
    "# Uwaga: specjalnie ignorujemy kolumną Posts.Score"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "RFEA1GEMH_eQ"
   },
   "outputs": [],
   "source": [
    "Votes[Votes.VoteTypeId == 2].groupby('PostId').size())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "R5E69_MvH_eT",
    "scrolled": true
   },
   "outputs": [],
   "source": [
    "# Głosy za dla pytań o największej liczbie głosów za wraz z tytułami"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "3dqiGwDrH_eX"
   },
   "outputs": [],
   "source": [
    "# zliczenie głosów za dla danego postu i sortowanie wyników od najwyższego\n",
    "UpVotes =pd.DataFrame(Votes[Votes.VoteTypeId == 2].groupby('PostId').size().sort_values(ascending=False),columns=['UpVotes'])\n",
    "# wybranie tylko postów typu pytanie\n",
    "dfs=pd.concat([Posts.set_index('Id'), UpVotes], axis=1).sort_values(by=['UpVotes'],ascending=False)\n",
    "# wybranie odpowiednich kolumn i wywietlenei 10 wartosci\n",
    "dfs[dfs.PostTypeId == 1][['UpVotes','Title']].head(10).reset_index()\n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "zZ5KFsb8H_ea"
   },
   "outputs": [],
   "source": [
    "# Suma głosów za i przeciw"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 419
    },
    "colab_type": "code",
    "id": "JAlgTg-_H_ee",
    "outputId": "c7c264f3-6cc4-4e66-bb1b-e397bbc01ee5"
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>PostId</th>\n",
       "      <th>Votes</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>1</td>\n",
       "      <td>-3</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>2</td>\n",
       "      <td>40</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>3</td>\n",
       "      <td>14</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>4</td>\n",
       "      <td>32</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>5</td>\n",
       "      <td>15</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>14454</th>\n",
       "      <td>21190</td>\n",
       "      <td>-2</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>14455</th>\n",
       "      <td>21191</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>14456</th>\n",
       "      <td>21192</td>\n",
       "      <td>-1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>14457</th>\n",
       "      <td>21195</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>14458</th>\n",
       "      <td>21197</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>14459 rows × 2 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "       PostId  Votes\n",
       "0           1     -3\n",
       "1           2     40\n",
       "2           3     14\n",
       "3           4     32\n",
       "4           5     15\n",
       "...       ...    ...\n",
       "14454   21190     -2\n",
       "14455   21191      1\n",
       "14456   21192     -1\n",
       "14457   21195      1\n",
       "14458   21197      1\n",
       "\n",
       "[14459 rows x 2 columns]"
      ]
     },
     "execution_count": 26,
     "metadata": {
      "tags": []
     },
     "output_type": "execute_result"
    }
   ],
   "source": [
    "Votess=np.zeros(len(Posts))\n",
    "VotesUP=Votes[(Votes.VoteTypeId == 2) ].groupby('PostId').size().fillna(value=0) \n",
    "VotesDOWN=Votes[(Votes.VoteTypeId == 3) ].groupby('PostId').size().fillna(value=0) \n",
    "pd.DataFrame(VotesUP.sub(VotesDOWN, fill_value=0).astype(int), columns=['Votes']).reset_index()\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "colab_type": "text",
    "id": "Yr0DJnuBH_ei"
   },
   "source": [
    "# 3. Analiza danych  \n",
    "Wyzwanie - automatyczna kategoryzacja i tagowanie nowych postów na podstawie tytułu (można rozwinać łątwo o treść dysponując większą mocą obliczeniowa)  \n",
    "Założenie - na podstawie analizy stworzyć 3 kategorie cieszące się dużą popularnością podziału postów na podstawie analizy tytułów\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "BTg1MBv3H_ei"
   },
   "outputs": [],
   "source": [
    "TitleText=Posts[Posts.PostTypeId == 1].Title #wczytanie tytułów postów z pytaniami\n",
    "PostsText=Posts[Posts.PostTypeId == 1].Body"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 34
    },
    "colab_type": "code",
    "id": "FEmIy9Rq14aL",
    "outputId": "676ac843-e434-4854-bd8e-c2ce83bfe595"
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "pandas.core.series.Series"
      ]
     },
     "execution_count": 22,
     "metadata": {
      "tags": []
     },
     "output_type": "execute_result"
    }
   ],
   "source": [
    "type(TitleText)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "pA5lBI3VH_em"
   },
   "outputs": [],
   "source": [
    "import re\n",
    "TitleText = [re.sub(\"<.+?>\",\" \",str(a)) for a in TitleText]\n",
    "#usuwanie zaniczników HTML"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "uZZ7PYndH_eo"
   },
   "outputs": [],
   "source": [
    "PostsText = [a.lower() for a in PostsText]\n",
    "#zmiana wszystkich liter na małe"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 103
    },
    "colab_type": "code",
    "id": "XIVeJItEb6Wr",
    "outputId": "317825ce-963e-4686-966c-f26155ac2ae4"
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[nltk_data] Downloading package punkt to /root/nltk_data...\n",
      "[nltk_data]   Unzipping tokenizers/punkt.zip.\n",
      "[nltk_data] Downloading package stopwords to /root/nltk_data...\n",
      "[nltk_data]   Unzipping corpora/stopwords.zip.\n"
     ]
    },
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 26,
     "metadata": {
      "tags": []
     },
     "output_type": "execute_result"
    }
   ],
   "source": [
    "#import nltk\n",
    "import nltk\n",
    "nltk.download('punkt')\n",
    "nltk.download('stopwords')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "BIP1FHqScM9v"
   },
   "outputs": [],
   "source": [
    "TitleText = [nltk.word_tokenize(a) for a in TitleText]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "uQIYFDG4H_er"
   },
   "outputs": [],
   "source": [
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 1000
    },
    "colab_type": "code",
    "id": "HRtSLifjH_ey",
    "outputId": "14fb0013-388f-4480-c0a6-a3613b310eb1"
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[['What', 'are', 'some', 'Caribbean', 'cruises', 'for', 'October', '?'],\n",
       " ['How',\n",
       "  'can',\n",
       "  'I',\n",
       "  'find',\n",
       "  'a',\n",
       "  'guide',\n",
       "  'that',\n",
       "  'will',\n",
       "  'take',\n",
       "  'me',\n",
       "  'safely',\n",
       "  'through',\n",
       "  'the',\n",
       "  'Amazon',\n",
       "  'jungle',\n",
       "  '?'],\n",
       " ['Does',\n",
       "  'Singapore',\n",
       "  'Airlines',\n",
       "  'offer',\n",
       "  'any',\n",
       "  'reward',\n",
       "  'seats',\n",
       "  'on',\n",
       "  'their',\n",
       "  'EWR-SIN',\n",
       "  'route',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'the',\n",
       "  'easiest',\n",
       "  'transportation',\n",
       "  'to',\n",
       "  'use',\n",
       "  'throughout',\n",
       "  'Romania',\n",
       "  'for',\n",
       "  'a',\n",
       "  'foreigner',\n",
       "  '?'],\n",
       " ['How', 'can', 'I', 'visit', 'Antarctica', '?'],\n",
       " ['Best',\n",
       "  'way',\n",
       "  'to',\n",
       "  'get',\n",
       "  'from',\n",
       "  'SeaTac',\n",
       "  'airport',\n",
       "  'to',\n",
       "  'Redmond',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'are',\n",
       "  'must-visit',\n",
       "  'destinations',\n",
       "  'for',\n",
       "  'the',\n",
       "  'first',\n",
       "  'time',\n",
       "  'trip',\n",
       "  'to',\n",
       "  'Argentina',\n",
       "  '?'],\n",
       " ['When',\n",
       "  'traveling',\n",
       "  'to',\n",
       "  'a',\n",
       "  'country',\n",
       "  'with',\n",
       "  'a',\n",
       "  'different',\n",
       "  'currency',\n",
       "  ',',\n",
       "  'how',\n",
       "  'should',\n",
       "  'you',\n",
       "  'take',\n",
       "  'your',\n",
       "  'money',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'the',\n",
       "  'best',\n",
       "  'way',\n",
       "  'to',\n",
       "  'obtain',\n",
       "  'visas',\n",
       "  'for',\n",
       "  'the',\n",
       "  'Trans-Siberian/Trans-Mongolian',\n",
       "  'Railway',\n",
       "  '?'],\n",
       " ['Where',\n",
       "  'can',\n",
       "  'I',\n",
       "  'find',\n",
       "  'up-to-date',\n",
       "  'information',\n",
       "  'about',\n",
       "  'roadblocks',\n",
       "  'and',\n",
       "  'strikes',\n",
       "  'in',\n",
       "  'Peru',\n",
       "  'and',\n",
       "  'Bolivia',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'advisable',\n",
       "  'for',\n",
       "  'US',\n",
       "  'citizen',\n",
       "  'to',\n",
       "  'attempt',\n",
       "  'a',\n",
       "  'visit',\n",
       "  'to',\n",
       "  'Cuba',\n",
       "  'w/o',\n",
       "  'going',\n",
       "  'through',\n",
       "  'an',\n",
       "  'agency',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'are',\n",
       "  'some',\n",
       "  'of',\n",
       "  'the',\n",
       "  'sights',\n",
       "  'to',\n",
       "  'see',\n",
       "  'in',\n",
       "  'Budapest',\n",
       "  ',',\n",
       "  'Hungary',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'there',\n",
       "  'a',\n",
       "  'good',\n",
       "  'website',\n",
       "  'to',\n",
       "  'plan',\n",
       "  'a',\n",
       "  'trip',\n",
       "  'via',\n",
       "  'trains',\n",
       "  'in',\n",
       "  'Europe',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'are',\n",
       "  'the',\n",
       "  'best',\n",
       "  'ways',\n",
       "  'to',\n",
       "  'avoid',\n",
       "  'data',\n",
       "  'roaming',\n",
       "  'fees',\n",
       "  'when',\n",
       "  'travelling',\n",
       "  'abroad',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'should',\n",
       "  'I',\n",
       "  'know',\n",
       "  'about',\n",
       "  '``',\n",
       "  'Around',\n",
       "  'The',\n",
       "  'World',\n",
       "  \"''\",\n",
       "  'flights',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'are',\n",
       "  'some',\n",
       "  'good',\n",
       "  'ways',\n",
       "  'to',\n",
       "  'find',\n",
       "  'things',\n",
       "  'to',\n",
       "  'explore',\n",
       "  'on-site',\n",
       "  'in',\n",
       "  'an',\n",
       "  'unfamiliar',\n",
       "  'place',\n",
       "  '?'],\n",
       " ['Cheapest', 'mobile', 'operator', 'in', 'Europe'],\n",
       " ['Sightseeing', 'the', 'USA', 'by', 'air'],\n",
       " ['Online',\n",
       "  'resources/communities',\n",
       "  'especially',\n",
       "  'for',\n",
       "  'travelling',\n",
       "  'to',\n",
       "  'remote',\n",
       "  'islands'],\n",
       " ['What',\n",
       "  'kind',\n",
       "  'of',\n",
       "  'questions',\n",
       "  'should',\n",
       "  'I',\n",
       "  'be',\n",
       "  'asking',\n",
       "  'about',\n",
       "  'tropical',\n",
       "  'destinations',\n",
       "  '?'],\n",
       " ['Where', 'to', 'find', 'good', 'cave-swimming', '?'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'advantages',\n",
       "  'to',\n",
       "  'using',\n",
       "  'private',\n",
       "  'car',\n",
       "  'service',\n",
       "  'over',\n",
       "  'taxis',\n",
       "  'from',\n",
       "  'the',\n",
       "  'airport',\n",
       "  '?'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'caves',\n",
       "  'and',\n",
       "  'tunnels',\n",
       "  'under',\n",
       "  'Tallinn',\n",
       "  ',',\n",
       "  'Estonia',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'possible',\n",
       "  'to',\n",
       "  'get',\n",
       "  'a',\n",
       "  'permit',\n",
       "  'to',\n",
       "  'travel',\n",
       "  'to',\n",
       "  'Tibet',\n",
       "  '(',\n",
       "  'Lhasa',\n",
       "  ')',\n",
       "  'from',\n",
       "  'Beijing',\n",
       "  'by',\n",
       "  'train',\n",
       "  ',',\n",
       "  'without',\n",
       "  'a',\n",
       "  'tour',\n",
       "  'guide',\n",
       "  '?'],\n",
       " ['What', 'is', 'there', 'to', 'do', 'in', 'Orlando', ',', 'Florida', '?'],\n",
       " ['How',\n",
       "  'bad',\n",
       "  'is',\n",
       "  'baggage',\n",
       "  'theft',\n",
       "  'at',\n",
       "  'Johannesburg',\n",
       "  'airport',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'safe',\n",
       "  'to',\n",
       "  'travel',\n",
       "  'in',\n",
       "  'Japan',\n",
       "  'considering',\n",
       "  'the',\n",
       "  'nuclear',\n",
       "  'situation',\n",
       "  '?'],\n",
       " ['Flight', 'deals', 'from', 'the', 'UK'],\n",
       " ['Tel',\n",
       "  'Aviv',\n",
       "  'a',\n",
       "  'good',\n",
       "  'base',\n",
       "  'to',\n",
       "  'see',\n",
       "  'Israel',\n",
       "  '&',\n",
       "  'Palestine',\n",
       "  '?'],\n",
       " ['Something', 'to', 'do', 'in', 'or', 'around', 'Colmar', 'in', 'France'],\n",
       " ['Best',\n",
       "  'time',\n",
       "  'to',\n",
       "  'buy',\n",
       "  'Airline',\n",
       "  'tickets',\n",
       "  'to',\n",
       "  'Shanghai/Hong',\n",
       "  'Kong',\n",
       "  'from',\n",
       "  'USA',\n",
       "  '(',\n",
       "  'Dallas/Fort',\n",
       "  'Worth',\n",
       "  ')',\n",
       "  '?'],\n",
       " ['``', 'Lord', 'of', 'the', 'Rings', \"''\", 'Tours', 'in', 'New', 'Zealand'],\n",
       " ['How',\n",
       "  'do',\n",
       "  'I',\n",
       "  'choose',\n",
       "  'a',\n",
       "  'travel',\n",
       "  'agency',\n",
       "  'to',\n",
       "  'book',\n",
       "  'tours',\n",
       "  'from',\n",
       "  'in',\n",
       "  'Hanoi',\n",
       "  ',',\n",
       "  'Vietnam',\n",
       "  '?'],\n",
       " ['How', 'to', 'insure', 'checked', 'luggage', '?'],\n",
       " ['Suitable', 'ways', 'to', 'get', 'around', 'the', 'Darién', 'Gap', '?'],\n",
       " ['Can',\n",
       "  'I',\n",
       "  'upgrade',\n",
       "  'only',\n",
       "  'a',\n",
       "  'portion',\n",
       "  'of',\n",
       "  'my',\n",
       "  'ticket',\n",
       "  'with',\n",
       "  'miles',\n",
       "  'on',\n",
       "  'Singapore',\n",
       "  'Air',\n",
       "  '(',\n",
       "  'SQ',\n",
       "  ')',\n",
       "  '?'],\n",
       " ['How', 'should', 'I', 'deal', 'with', 'beggars', 'in', 'India', '?'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'a',\n",
       "  'good',\n",
       "  'hydration',\n",
       "  'system',\n",
       "  'for',\n",
       "  'hiking',\n",
       "  'Kilimanjaro',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'can',\n",
       "  'I',\n",
       "  'travel',\n",
       "  'between',\n",
       "  'US',\n",
       "  'towns',\n",
       "  'without',\n",
       "  'flying',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'the',\n",
       "  'best',\n",
       "  'method',\n",
       "  'for',\n",
       "  'exchanging',\n",
       "  'dollars',\n",
       "  'for',\n",
       "  'Euros',\n",
       "  '?'],\n",
       " ['Freight',\n",
       "  'travel',\n",
       "  'in',\n",
       "  'the',\n",
       "  'Caribbean',\n",
       "  '-',\n",
       "  'Can',\n",
       "  'it',\n",
       "  'be',\n",
       "  'done',\n",
       "  '?',\n",
       "  'Is',\n",
       "  'it',\n",
       "  'cost-effective',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'much',\n",
       "  'Russian',\n",
       "  'do',\n",
       "  'I',\n",
       "  'need',\n",
       "  'to',\n",
       "  'know',\n",
       "  'for',\n",
       "  'travelling',\n",
       "  'within',\n",
       "  'Russia',\n",
       "  '?'],\n",
       " ['Can',\n",
       "  'somebody',\n",
       "  'recommended',\n",
       "  'a',\n",
       "  'tour',\n",
       "  'for',\n",
       "  'the',\n",
       "  'Amazon',\n",
       "  'in',\n",
       "  'Ecuador',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'times',\n",
       "  'of',\n",
       "  'the',\n",
       "  'year',\n",
       "  'are',\n",
       "  'best',\n",
       "  'for',\n",
       "  'visiting',\n",
       "  'France',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'do',\n",
       "  'I',\n",
       "  'know',\n",
       "  'if',\n",
       "  'it',\n",
       "  \"'s\",\n",
       "  'safe',\n",
       "  'to',\n",
       "  'travel',\n",
       "  'to',\n",
       "  'a',\n",
       "  'country',\n",
       "  'at',\n",
       "  'a',\n",
       "  'specific',\n",
       "  'time',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'the',\n",
       "  'difference',\n",
       "  'between',\n",
       "  'Eurostar',\n",
       "  'first',\n",
       "  'class',\n",
       "  'and',\n",
       "  'French',\n",
       "  'TGV',\n",
       "  'first',\n",
       "  'class',\n",
       "  '?'],\n",
       " ['Being', 'safe', 'in', 'an', 'unknown', 'place'],\n",
       " ['Is', 'it', 'safe', 'to', 'travel', 'to', 'Socotra', ',', 'Yemen', '?'],\n",
       " ['On', 'planning', 'a', 'road-trip'],\n",
       " ['What',\n",
       "  'are',\n",
       "  'the',\n",
       "  'best',\n",
       "  'things',\n",
       "  'to',\n",
       "  'see',\n",
       "  'in',\n",
       "  'Copenhagen',\n",
       "  ',',\n",
       "  'Denmark',\n",
       "  '?'],\n",
       " ['When',\n",
       "  'and',\n",
       "  'where',\n",
       "  'do',\n",
       "  'I',\n",
       "  'have',\n",
       "  'the',\n",
       "  'highest',\n",
       "  'chance',\n",
       "  'of',\n",
       "  'seeing',\n",
       "  'auroras',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'the',\n",
       "  'safest',\n",
       "  'way',\n",
       "  'to',\n",
       "  'travel',\n",
       "  'from',\n",
       "  'Tehran',\n",
       "  'to',\n",
       "  'North-Pakistan',\n",
       "  '?'],\n",
       " ['What',\n",
       "  \"'s\",\n",
       "  'the',\n",
       "  'cheapest',\n",
       "  'way',\n",
       "  'to',\n",
       "  'purchase',\n",
       "  'data',\n",
       "  'access',\n",
       "  'for',\n",
       "  'my',\n",
       "  'verizon',\n",
       "  'smartphone',\n",
       "  'while',\n",
       "  'traveling',\n",
       "  'in',\n",
       "  'Spain',\n",
       "  '?'],\n",
       " ['Hodophobia',\n",
       "  '...',\n",
       "  'Scared',\n",
       "  'of',\n",
       "  'doing',\n",
       "  'things',\n",
       "  'or',\n",
       "  'going',\n",
       "  'to',\n",
       "  'places',\n",
       "  'that',\n",
       "  'is',\n",
       "  'dangerous'],\n",
       " ['Eco', 'touring/diving', 'in', 'Malaysia'],\n",
       " ['How',\n",
       "  'can',\n",
       "  'I',\n",
       "  'find',\n",
       "  'a',\n",
       "  'guide',\n",
       "  'that',\n",
       "  'will',\n",
       "  'take',\n",
       "  'me',\n",
       "  'safely',\n",
       "  'up',\n",
       "  'Mount',\n",
       "  'Kilimanjaro',\n",
       "  'and',\n",
       "  'Mount',\n",
       "  'Elbrus',\n",
       "  '?'],\n",
       " ['I',\n",
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       "  'in',\n",
       "  'Volgograd',\n",
       "  ',',\n",
       "  'Russia',\n",
       "  '.',\n",
       "  'Aside',\n",
       "  'from',\n",
       "  'trains',\n",
       "  ',',\n",
       "  'is',\n",
       "  'there',\n",
       "  'another',\n",
       "  'way',\n",
       "  'to',\n",
       "  'get',\n",
       "  'to',\n",
       "  'Astrakhan',\n",
       "  '?'],\n",
       " ['Kazakhstan', 'visa', 'in', 'Uzbekistan', '?'],\n",
       " ['Turkmenistan', 'visa', 'in', 'Uzbekistan', '?'],\n",
       " ['Can',\n",
       "  'I',\n",
       "  'visit',\n",
       "  'the',\n",
       "  'castles/fortresses',\n",
       "  'in',\n",
       "  'the',\n",
       "  'mountains',\n",
       "  'around',\n",
       "  'Turin',\n",
       "  ',',\n",
       "  'Northern',\n",
       "  'Italy',\n",
       "  '?'],\n",
       " ['Is', 'there', 'a', 'list', 'of', 'free', 'accommodation', 'resources', '?'],\n",
       " ['How', 'good', 'is', 'Public', 'Transport', 'In', 'the', 'USA', '?'],\n",
       " ['Overlanding', 'without', 'a', 'Carnet', 'de', 'Passage', '?'],\n",
       " ['How',\n",
       "  'do',\n",
       "  'you',\n",
       "  'avoid',\n",
       "  '``',\n",
       "  'tourist',\n",
       "  'traps',\n",
       "  \"''\",\n",
       "  'when',\n",
       "  'traveling',\n",
       "  'to',\n",
       "  'a',\n",
       "  'country',\n",
       "  'where',\n",
       "  'you',\n",
       "  'do',\n",
       "  'not',\n",
       "  'speak',\n",
       "  'the',\n",
       "  'language',\n",
       "  '?'],\n",
       " ['Can',\n",
       "  'you',\n",
       "  'go',\n",
       "  'to',\n",
       "  'the',\n",
       "  'Maldives',\n",
       "  'without',\n",
       "  'assistance',\n",
       "  'of',\n",
       "  'a',\n",
       "  'travel',\n",
       "  'agency',\n",
       "  '?'],\n",
       " ['Where',\n",
       "  'would',\n",
       "  'be',\n",
       "  'the',\n",
       "  'optimal',\n",
       "  'place',\n",
       "  'to',\n",
       "  'watch',\n",
       "  'the',\n",
       "  'Nov',\n",
       "  '2012',\n",
       "  'Solar',\n",
       "  'Eclipse',\n",
       "  'from',\n",
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       "  'part',\n",
       "  'of',\n",
       "  'Great',\n",
       "  'Wall',\n",
       "  'of',\n",
       "  'China',\n",
       "  'is',\n",
       "  'easier',\n",
       "  'to',\n",
       "  'visit',\n",
       "  ',',\n",
       "  'starting',\n",
       "  'from',\n",
       "  'Peking',\n",
       "  '?'],\n",
       " ['Using', 'status', 'across', 'other', 'Star', 'Alliance', 'airlines', '?'],\n",
       " ['What', 'seasonal', 'work', 'can', 'fund', 'travel', '?'],\n",
       " ['References',\n",
       "  'for',\n",
       "  'tipping',\n",
       "  'etiquette',\n",
       "  'in',\n",
       "  'different',\n",
       "  'countries',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'can',\n",
       "  'I',\n",
       "  'protect',\n",
       "  'camera',\n",
       "  'equipment',\n",
       "  'in',\n",
       "  'checked',\n",
       "  'baggage',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'can',\n",
       "  'I',\n",
       "  'protect',\n",
       "  'my',\n",
       "  'vehicle',\n",
       "  'when',\n",
       "  'left',\n",
       "  'at',\n",
       "  'a',\n",
       "  'trail',\n",
       "  'head',\n",
       "  'for',\n",
       "  'an',\n",
       "  'extended',\n",
       "  'period',\n",
       "  '?'],\n",
       " ['If',\n",
       "  'I',\n",
       "  'visit',\n",
       "  'Los',\n",
       "  'Angeles',\n",
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       "  'am',\n",
       "  'I',\n",
       "  'better',\n",
       "  'off',\n",
       "  'renting',\n",
       "  'a',\n",
       "  'car',\n",
       "  'or',\n",
       "  'not',\n",
       "  '?'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'any',\n",
       "  'good',\n",
       "  ',',\n",
       "  'cheap',\n",
       "  'bus',\n",
       "  'companies',\n",
       "  'to',\n",
       "  'use',\n",
       "  'for',\n",
       "  'traveling',\n",
       "  'around',\n",
       "  'the',\n",
       "  'western',\n",
       "  'United',\n",
       "  'States',\n",
       "  '?'],\n",
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       "  'air',\n",
       "  'travel',\n",
       "  'sickness',\n",
       "  'without',\n",
       "  'Dramamine/Dimenhydrinate',\n",
       "  'or',\n",
       "  'other',\n",
       "  'drugs'],\n",
       " ['Which',\n",
       "  'European',\n",
       "  'cities',\n",
       "  'have',\n",
       "  'bike',\n",
       "  'rental',\n",
       "  'stations',\n",
       "  'for',\n",
       "  'tourists',\n",
       "  '?'],\n",
       " ['Travel',\n",
       "  'insurance',\n",
       "  'with',\n",
       "  'regards',\n",
       "  'to',\n",
       "  'luggage',\n",
       "  'being',\n",
       "  'stolen/lost'],\n",
       " ['What',\n",
       "  'rights',\n",
       "  'do',\n",
       "  'passengers',\n",
       "  'have',\n",
       "  'when',\n",
       "  'flights',\n",
       "  'in',\n",
       "  'the',\n",
       "  'USA',\n",
       "  'are',\n",
       "  'delayed',\n",
       "  '?'],\n",
       " ['Getting',\n",
       "  'from',\n",
       "  'Astrakhan',\n",
       "  ',',\n",
       "  'Russia',\n",
       "  'to',\n",
       "  'Aktau',\n",
       "  ',',\n",
       "  'Kazakhstan'],\n",
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       "  'the',\n",
       "  'weight',\n",
       "  'limit',\n",
       "  'for',\n",
       "  'AJ',\n",
       "  'Hackett',\n",
       "  \"'s\",\n",
       "  'Macau',\n",
       "  'Tower',\n",
       "  'bungee',\n",
       "  'jump',\n",
       "  'followed',\n",
       "  'strictly',\n",
       "  '?'],\n",
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       "  'the',\n",
       "  'border',\n",
       "  'between',\n",
       "  'Georgia',\n",
       "  'and',\n",
       "  'Russia',\n",
       "  'open',\n",
       "  'to',\n",
       "  'citizens',\n",
       "  'of',\n",
       "  'other',\n",
       "  'countries',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'possible',\n",
       "  'to',\n",
       "  'travel',\n",
       "  'through',\n",
       "  'Burma',\n",
       "  '(',\n",
       "  'Myanmar',\n",
       "  ')',\n",
       "  ',',\n",
       "  'entering',\n",
       "  'at',\n",
       "  'one',\n",
       "  'border',\n",
       "  'crossing',\n",
       "  'and',\n",
       "  'exiting',\n",
       "  'at',\n",
       "  'another',\n",
       "  '?'],\n",
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       "  'any',\n",
       "  'ferries',\n",
       "  'currently',\n",
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       "  'on',\n",
       "  'the',\n",
       "  'Black',\n",
       "  'Sea',\n",
       "  'between',\n",
       "  'Romania',\n",
       "  'and',\n",
       "  'Georgia',\n",
       "  '?'],\n",
       " ['Can',\n",
       "  'I',\n",
       "  'apply',\n",
       "  'for',\n",
       "  'a',\n",
       "  'Russian',\n",
       "  'visa',\n",
       "  'from',\n",
       "  'the',\n",
       "  'country',\n",
       "  'Georgia',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'worth',\n",
       "  'getting',\n",
       "  'a',\n",
       "  'one-week',\n",
       "  'public',\n",
       "  'transportation',\n",
       "  'pass',\n",
       "  'for',\n",
       "  'Rome',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'measures',\n",
       "  'can',\n",
       "  'one',\n",
       "  'take',\n",
       "  'to',\n",
       "  'keep',\n",
       "  'a',\n",
       "  'motorcycle',\n",
       "  'safe',\n",
       "  'during',\n",
       "  'a',\n",
       "  'road',\n",
       "  'trip',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'time',\n",
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       "  'the',\n",
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       "  'is',\n",
       "  'the',\n",
       "  'cheapest',\n",
       "  'to',\n",
       "  'cruise',\n",
       "  'in/around',\n",
       "  'North',\n",
       "  'America',\n",
       "  '?'],\n",
       " ['Will',\n",
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       "  'and',\n",
       "  'Azerbaijan',\n",
       "  'permit',\n",
       "  'a',\n",
       "  'tourist',\n",
       "  'to',\n",
       "  'enter',\n",
       "  'if',\n",
       "  'they',\n",
       "  'have',\n",
       "  'the',\n",
       "  'other',\n",
       "  'country',\n",
       "  \"'s\",\n",
       "  'stamp',\n",
       "  'in',\n",
       "  'their',\n",
       "  'passport',\n",
       "  '?'],\n",
       " ['Language',\n",
       "  'schools',\n",
       "  'that',\n",
       "  'teach',\n",
       "  'Mayan',\n",
       "  'languages',\n",
       "  'around',\n",
       "  'Lake',\n",
       "  'Atlitlan',\n",
       "  ',',\n",
       "  'Guatemala',\n",
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       "  'cheapest',\n",
       "  'transport',\n",
       "  'to',\n",
       "  'get',\n",
       "  'from',\n",
       "  'Ataturk',\n",
       "  'International',\n",
       "  'aiport',\n",
       "  'to',\n",
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       "  'Taksim',\n",
       "  'Square',\n",
       "  'area',\n",
       "  'of',\n",
       "  'Istanbul',\n",
       "  '?'],\n",
       " ['How',\n",
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       "  'overcome',\n",
       "  'the',\n",
       "  'language',\n",
       "  'barrier',\n",
       "  'when',\n",
       "  'visiting',\n",
       "  'France',\n",
       "  'and',\n",
       "  'Spain',\n",
       "  '?'],\n",
       " ['Can',\n",
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       "  'pay',\n",
       "  'for',\n",
       "  'my',\n",
       "  'Turkish',\n",
       "  'visa',\n",
       "  'on',\n",
       "  'arrival',\n",
       "  'at',\n",
       "  'the',\n",
       "  'airport',\n",
       "  'in',\n",
       "  'Euros',\n",
       "  '?'],\n",
       " ['Can',\n",
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       "  'recommend',\n",
       "  'a',\n",
       "  'good',\n",
       "  'trekking',\n",
       "  'tour',\n",
       "  'for',\n",
       "  'Machu',\n",
       "  'Picchu',\n",
       "  '?'],\n",
       " ['Are',\n",
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       "  'Italian',\n",
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       "  'a',\n",
       "  'North',\n",
       "  'American',\n",
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       "  'be',\n",
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       " ['Can',\n",
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       "  'get',\n",
       "  'by',\n",
       "  'as',\n",
       "  'English',\n",
       "  'speakers',\n",
       "  'visiting',\n",
       "  'Iceland',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'can',\n",
       "  'I',\n",
       "  'use',\n",
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       "  'US',\n",
       "  'iPhone',\n",
       "  '(',\n",
       "  'AT',\n",
       "  '&',\n",
       "  'T',\n",
       "  ')',\n",
       "  'in',\n",
       "  'a',\n",
       "  'foreign',\n",
       "  'country',\n",
       "  ',',\n",
       "  'specifically',\n",
       "  'Iceland',\n",
       "  ',',\n",
       "  'without',\n",
       "  'paying',\n",
       "  'through',\n",
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       "  'nose',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'there',\n",
       "  'a',\n",
       "  'definitive',\n",
       "  'reference',\n",
       "  'guide',\n",
       "  'to',\n",
       "  'cell',\n",
       "  'phone',\n",
       "  'standards',\n",
       "  'by',\n",
       "  'country',\n",
       "  '?'],\n",
       " ['China', 'visa', 'issue', 'after', 'traveling', 'to', 'Taiwan'],\n",
       " ['I',\n",
       "  'have',\n",
       "  'lost',\n",
       "  'my',\n",
       "  'residential',\n",
       "  'permit',\n",
       "  'while',\n",
       "  'travelling',\n",
       "  'in',\n",
       "  'India',\n",
       "  '-',\n",
       "  'what',\n",
       "  'should',\n",
       "  'I',\n",
       "  'do',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'safe',\n",
       "  'to',\n",
       "  'travel',\n",
       "  'in',\n",
       "  'Greece',\n",
       "  'during',\n",
       "  'the',\n",
       "  'riots',\n",
       "  'about',\n",
       "  'government',\n",
       "  'spending',\n",
       "  'cuts',\n",
       "  '?'],\n",
       " ['What',\n",
       "  \"'s\",\n",
       "  'the',\n",
       "  'cheapest',\n",
       "  'way',\n",
       "  'to',\n",
       "  'convert',\n",
       "  'British',\n",
       "  'Pounds',\n",
       "  'into',\n",
       "  'other',\n",
       "  'currency',\n",
       "  '?'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'any',\n",
       "  'standard',\n",
       "  'clothing',\n",
       "  'restrictions',\n",
       "  'when',\n",
       "  'visiting',\n",
       "  'mosques',\n",
       "  '?'],\n",
       " ['Will',\n",
       "  'I',\n",
       "  'be',\n",
       "  'able',\n",
       "  'to',\n",
       "  'travel',\n",
       "  'around',\n",
       "  'India',\n",
       "  'speaking',\n",
       "  'only',\n",
       "  'English',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'key',\n",
       "  'sights',\n",
       "  'to',\n",
       "  'see',\n",
       "  'in',\n",
       "  'one',\n",
       "  'week',\n",
       "  'in',\n",
       "  'France',\n",
       "  '?'],\n",
       " ['US', 'Customs', 'Pre-clearance', 'in', 'foreign', 'airports'],\n",
       " ['Third',\n",
       "  'party',\n",
       "  'shore-excursion',\n",
       "  'operators',\n",
       "  'in',\n",
       "  'the',\n",
       "  'Western',\n",
       "  'Caribbean'],\n",
       " ['What',\n",
       "  'do',\n",
       "  'I',\n",
       "  'need',\n",
       "  'to',\n",
       "  'know',\n",
       "  'or',\n",
       "  'do',\n",
       "  'in',\n",
       "  'order',\n",
       "  'to',\n",
       "  'rent',\n",
       "  'a',\n",
       "  'car',\n",
       "  'in',\n",
       "  'Spain',\n",
       "  '?'],\n",
       " ['Tipping', 'etiquette', 'in', 'different', 'countries'],\n",
       " ['Should',\n",
       "  'I',\n",
       "  'purchase',\n",
       "  'rental',\n",
       "  'car',\n",
       "  'insurance',\n",
       "  '?',\n",
       "  'What',\n",
       "  'protection',\n",
       "  'does',\n",
       "  'my',\n",
       "  'credit',\n",
       "  'card',\n",
       "  'provide',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'safe',\n",
       "  'to',\n",
       "  'drink',\n",
       "  'the',\n",
       "  'tap',\n",
       "  'water',\n",
       "  'in',\n",
       "  'Istanbul',\n",
       "  '?'],\n",
       " ['Are',\n",
       "  'international',\n",
       "  'driving',\n",
       "  'licences',\n",
       "  'really',\n",
       "  'necessary',\n",
       "  'for',\n",
       "  'any',\n",
       "  'country',\n",
       "  '?'],\n",
       " ['When',\n",
       "  'travelling',\n",
       "  'overland',\n",
       "  'in',\n",
       "  'Russia',\n",
       "  'I',\n",
       "  'hear',\n",
       "  'you',\n",
       "  'must',\n",
       "  'register',\n",
       "  'with',\n",
       "  'the',\n",
       "  'police',\n",
       "  'in',\n",
       "  'each',\n",
       "  'new',\n",
       "  'place',\n",
       "  ',',\n",
       "  'but',\n",
       "  'does',\n",
       "  'this',\n",
       "  'cost',\n",
       "  'money',\n",
       "  '?'],\n",
       " ['Longer',\n",
       "  'latency',\n",
       "  'on',\n",
       "  'GPS',\n",
       "  'connection',\n",
       "  'depending',\n",
       "  'on',\n",
       "  'which',\n",
       "  'country',\n",
       "  'I',\n",
       "  \"'m\",\n",
       "  'in',\n",
       "  '?'],\n",
       " ['Do',\n",
       "  'you',\n",
       "  'need',\n",
       "  'to',\n",
       "  'submit',\n",
       "  'an',\n",
       "  'itinerary',\n",
       "  'to',\n",
       "  'get',\n",
       "  'a',\n",
       "  'Russian',\n",
       "  'visa',\n",
       "  '?',\n",
       "  'And',\n",
       "  'do',\n",
       "  'you',\n",
       "  'have',\n",
       "  'to',\n",
       "  'stick',\n",
       "  'to',\n",
       "  'it',\n",
       "  '?'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'cheap',\n",
       "  'GPS',\n",
       "  'or',\n",
       "  'other',\n",
       "  'navigator',\n",
       "  'devices',\n",
       "  'with',\n",
       "  'downloadable',\n",
       "  'maps',\n",
       "  'for',\n",
       "  'the',\n",
       "  'whole',\n",
       "  'world',\n",
       "  '?'],\n",
       " ['Any',\n",
       "  'beaches',\n",
       "  'along',\n",
       "  'the',\n",
       "  'New',\n",
       "  'York',\n",
       "  '-',\n",
       "  'Boston',\n",
       "  'corridor',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'cheaper',\n",
       "  'and/or',\n",
       "  'easier',\n",
       "  'to',\n",
       "  'buy',\n",
       "  'a',\n",
       "  'cheap',\n",
       "  'tent',\n",
       "  'and',\n",
       "  'sleeping',\n",
       "  'bag',\n",
       "  'in',\n",
       "  'Turkey',\n",
       "  'or',\n",
       "  'Bulgaria',\n",
       "  '?'],\n",
       " ['LAX',\n",
       "  'to',\n",
       "  'Anaheim',\n",
       "  '-',\n",
       "  'how',\n",
       "  'much',\n",
       "  'slower',\n",
       "  'is',\n",
       "  'the',\n",
       "  'Super',\n",
       "  'Shuttle',\n",
       "  'than',\n",
       "  'a',\n",
       "  'cab',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'there',\n",
       "  'a',\n",
       "  'resource',\n",
       "  'for',\n",
       "  'crime',\n",
       "  'statistics',\n",
       "  'in',\n",
       "  'Spain',\n",
       "  '-',\n",
       "  'especially',\n",
       "  'robbery'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'any',\n",
       "  'analogs',\n",
       "  'of',\n",
       "  'the',\n",
       "  'Malbork',\n",
       "  'castle',\n",
       "  'in',\n",
       "  'Poland',\n",
       "  'or',\n",
       "  'Germany',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'usual',\n",
       "  'for',\n",
       "  'Japanese',\n",
       "  'sentos',\n",
       "  'to',\n",
       "  'offer',\n",
       "  'cheap',\n",
       "  'overnight',\n",
       "  'stays',\n",
       "  'like',\n",
       "  'their',\n",
       "  'Korean',\n",
       "  'counterparts',\n",
       "  '(',\n",
       "  'jjimjilbangs',\n",
       "  ')',\n",
       "  'do',\n",
       "  '?'],\n",
       " ['Charge', 'iPhone', 'in', 'Europe'],\n",
       " ['Where', 'is', 'the', 'cheapest', 'punt', 'hire', 'in', 'Cambridge', '?'],\n",
       " ['Aktau', ',', 'Kazakhstan', 'to', 'Bukhara', ',', 'Uzbekistan', '?'],\n",
       " ['Visa-on-arrival', 'scheme', 'in', 'Philippines'],\n",
       " ['Visa', 'for', 'European', 'countries', 'for', 'US', 'passport', 'holder'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'currently',\n",
       "  'any',\n",
       "  'international',\n",
       "  'ferries',\n",
       "  'that',\n",
       "  'travel',\n",
       "  'to',\n",
       "  'Saint',\n",
       "  'Petersburg',\n",
       "  ',',\n",
       "  'Russia',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'necessary',\n",
       "  'to',\n",
       "  'take',\n",
       "  'malaria',\n",
       "  'pills',\n",
       "  'when',\n",
       "  'travelling',\n",
       "  'in',\n",
       "  'South',\n",
       "  'India',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'can',\n",
       "  'I',\n",
       "  'get',\n",
       "  'to',\n",
       "  'Gatwick',\n",
       "  'Airport',\n",
       "  'from',\n",
       "  'London',\n",
       "  'at',\n",
       "  '5am',\n",
       "  '?'],\n",
       " ['Best',\n",
       "  'way',\n",
       "  'to',\n",
       "  'go',\n",
       "  'from',\n",
       "  'Sepang',\n",
       "  'KLIA',\n",
       "  'to',\n",
       "  'downtown',\n",
       "  'Kuala',\n",
       "  'Lumpur',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'dengue',\n",
       "  'fever',\n",
       "  'still',\n",
       "  'on',\n",
       "  'the',\n",
       "  'rise',\n",
       "  'in',\n",
       "  'Mexico',\n",
       "  'or',\n",
       "  'is',\n",
       "  'it',\n",
       "  'subsiding',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'cheaper',\n",
       "  'to',\n",
       "  'mail',\n",
       "  'a',\n",
       "  'small',\n",
       "  'package',\n",
       "  'to',\n",
       "  'Germany',\n",
       "  'from',\n",
       "  'Turkey',\n",
       "  ',',\n",
       "  'Bulgaria',\n",
       "  ',',\n",
       "  'or',\n",
       "  'Romania',\n",
       "  '?'],\n",
       " ['View',\n",
       "  'the',\n",
       "  'Grand',\n",
       "  'Canyon',\n",
       "  'by',\n",
       "  'helicopter',\n",
       "  '-',\n",
       "  'is',\n",
       "  'it',\n",
       "  'real',\n",
       "  '?'],\n",
       " ['In',\n",
       "  'Malaysia',\n",
       "  ',',\n",
       "  'how',\n",
       "  'should',\n",
       "  'I',\n",
       "  'deal',\n",
       "  'with',\n",
       "  'taxi',\n",
       "  'drivers',\n",
       "  'wanting',\n",
       "  'to',\n",
       "  'go',\n",
       "  'off-meter',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'the',\n",
       "  'best',\n",
       "  'time',\n",
       "  'of',\n",
       "  'year',\n",
       "  'to',\n",
       "  'go',\n",
       "  'to',\n",
       "  'Disney',\n",
       "  'World',\n",
       "  'to',\n",
       "  'avoid',\n",
       "  'crowds',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'class',\n",
       "  'of',\n",
       "  'travel',\n",
       "  'is',\n",
       "  'suitable',\n",
       "  'for',\n",
       "  'a',\n",
       "  'woman',\n",
       "  'travelling',\n",
       "  'alone',\n",
       "  'on',\n",
       "  'Indian',\n",
       "  'railways',\n",
       "  '?'],\n",
       " ['In',\n",
       "  'Rome',\n",
       "  ',',\n",
       "  'are',\n",
       "  'some',\n",
       "  'days',\n",
       "  'less',\n",
       "  'busy',\n",
       "  'than',\n",
       "  'others',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'possible',\n",
       "  'to',\n",
       "  'go',\n",
       "  'directly',\n",
       "  'from',\n",
       "  'Siem',\n",
       "  'Reap',\n",
       "  'to',\n",
       "  'Vientiane',\n",
       "  'over',\n",
       "  'land',\n",
       "  '?'],\n",
       " ['Bringing', 'a', 'camping', 'knife', 'to', 'Japan'],\n",
       " ['How',\n",
       "  'can',\n",
       "  'I',\n",
       "  'get',\n",
       "  'to',\n",
       "  'view',\n",
       "  'the',\n",
       "  'North',\n",
       "  'Face',\n",
       "  'of',\n",
       "  'the',\n",
       "  'Eiger',\n",
       "  'in',\n",
       "  'Switzerland',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'possible',\n",
       "  'to',\n",
       "  'get',\n",
       "  'from',\n",
       "  'the',\n",
       "  'Philippines',\n",
       "  'to',\n",
       "  'Taiwan',\n",
       "  'to',\n",
       "  'Japan',\n",
       "  '(',\n",
       "  'or',\n",
       "  'the',\n",
       "  'reverse',\n",
       "  ')',\n",
       "  'without',\n",
       "  'flying',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'are',\n",
       "  'the',\n",
       "  'rules/regulations',\n",
       "  'for',\n",
       "  'public',\n",
       "  'transit',\n",
       "  'passengers',\n",
       "  'in',\n",
       "  'St.',\n",
       "  'Louis',\n",
       "  ',',\n",
       "  'Missouri',\n",
       "  '?'],\n",
       " ['Traveling',\n",
       "  'to',\n",
       "  'USA',\n",
       "  'with',\n",
       "  'tripod',\n",
       "  'attached',\n",
       "  'to',\n",
       "  'my',\n",
       "  'camera',\n",
       "  'bag'],\n",
       " ['How',\n",
       "  'to',\n",
       "  'find',\n",
       "  'travel',\n",
       "  'deals',\n",
       "  'for',\n",
       "  'a',\n",
       "  'very',\n",
       "  'specific',\n",
       "  'area',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'US',\n",
       "  'airports',\n",
       "  'do',\n",
       "  \"n't\",\n",
       "  'require',\n",
       "  'removing',\n",
       "  'CPAP',\n",
       "  'for',\n",
       "  'scanning',\n",
       "  'at',\n",
       "  'TSA',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'there',\n",
       "  'a',\n",
       "  'boat',\n",
       "  'that',\n",
       "  'will',\n",
       "  'take',\n",
       "  'tourists',\n",
       "  'to',\n",
       "  'Iceland',\n",
       "  'from',\n",
       "  'North',\n",
       "  'America',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'far',\n",
       "  'away',\n",
       "  'can',\n",
       "  'I',\n",
       "  'get',\n",
       "  'with',\n",
       "  'my',\n",
       "  'car',\n",
       "  'starting',\n",
       "  'in',\n",
       "  'Amsterdam',\n",
       "  '?'],\n",
       " ['Does',\n",
       "  'a',\n",
       "  'US',\n",
       "  'citizen',\n",
       "  'need',\n",
       "  'a',\n",
       "  'visa',\n",
       "  'to',\n",
       "  'go',\n",
       "  'to',\n",
       "  'Australia',\n",
       "  'to',\n",
       "  'put',\n",
       "  'on',\n",
       "  'a',\n",
       "  'conference',\n",
       "  'and',\n",
       "  'go',\n",
       "  'on',\n",
       "  'vacation',\n",
       "  '?'],\n",
       " ['Getting',\n",
       "  'a',\n",
       "  'Chinese',\n",
       "  'tourist',\n",
       "  'visa',\n",
       "  'with',\n",
       "  'an',\n",
       "  'expired',\n",
       "  'UK',\n",
       "  'criminal',\n",
       "  'conviction'],\n",
       " ['Inexpensive',\n",
       "  'way',\n",
       "  'to',\n",
       "  'use',\n",
       "  'my',\n",
       "  'US',\n",
       "  'iPhone',\n",
       "  \"'s\",\n",
       "  'data',\n",
       "  'connection',\n",
       "  'in',\n",
       "  'Turkey',\n",
       "  '?'],\n",
       " ['If',\n",
       "  'I',\n",
       "  'have',\n",
       "  'status',\n",
       "  'on',\n",
       "  'one',\n",
       "  'airline',\n",
       "  ',',\n",
       "  'can',\n",
       "  'I',\n",
       "  'transfer',\n",
       "  'my',\n",
       "  'status',\n",
       "  'to',\n",
       "  'another',\n",
       "  'airline',\n",
       "  '?'],\n",
       " ['Where',\n",
       "  'in',\n",
       "  'Boston',\n",
       "  'should',\n",
       "  'I',\n",
       "  'head',\n",
       "  'on',\n",
       "  'the',\n",
       "  'Fourth',\n",
       "  'of',\n",
       "  'July',\n",
       "  '?'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'any',\n",
       "  'programs',\n",
       "  'in',\n",
       "  'British',\n",
       "  'Columbia',\n",
       "  'in',\n",
       "  'which',\n",
       "  'a',\n",
       "  'U.S.',\n",
       "  'citizen',\n",
       "  'could',\n",
       "  'get',\n",
       "  'a',\n",
       "  'visa',\n",
       "  'to',\n",
       "  'work',\n",
       "  'temporarily',\n",
       "  '(',\n",
       "  'and',\n",
       "  'travel',\n",
       "  ')',\n",
       "  '?'],\n",
       " ['Motorbikes', 'in', 'Thailand', 'and', 'Laos'],\n",
       " ['Working', 'the', 'ski', 'season', 'in', 'France'],\n",
       " ['Where', 'can', 'I', 'get', 'information', 'on', 'freighter', 'travel', '?'],\n",
       " ['Does',\n",
       "  'anyone',\n",
       "  'have',\n",
       "  'any',\n",
       "  'advice',\n",
       "  'for',\n",
       "  'an',\n",
       "  'English',\n",
       "  'person',\n",
       "  'going',\n",
       "  'to',\n",
       "  'Positivus',\n",
       "  'festival',\n",
       "  'in',\n",
       "  'Salacgriva',\n",
       "  ',',\n",
       "  'Latvia',\n",
       "  '?'],\n",
       " ['Diving', 'safety', 'in', 'Australia'],\n",
       " ['Is',\n",
       "  'tea',\n",
       "  'and',\n",
       "  'coffee',\n",
       "  'on',\n",
       "  'the',\n",
       "  'street',\n",
       "  'safe',\n",
       "  'to',\n",
       "  'drink',\n",
       "  'in',\n",
       "  'India',\n",
       "  '?'],\n",
       " ['Touring', 'opal', 'mines', 'in', 'Australia'],\n",
       " ['Is',\n",
       "  'sleeping',\n",
       "  'in',\n",
       "  'tents',\n",
       "  '/',\n",
       "  'hammocks',\n",
       "  'allowed',\n",
       "  'in',\n",
       "  'Malaysian',\n",
       "  'beaches',\n",
       "  '?'],\n",
       " ['Proper',\n",
       "  'policy',\n",
       "  'on',\n",
       "  'using',\n",
       "  'electrical',\n",
       "  'plug',\n",
       "  'outlets',\n",
       "  'in',\n",
       "  'Toronto',\n",
       "  'Pearson',\n",
       "  'International',\n",
       "  'Airport'],\n",
       " ['If',\n",
       "  'I',\n",
       "  'travel',\n",
       "  'to',\n",
       "  'Paris',\n",
       "  ',',\n",
       "  'can',\n",
       "  'I',\n",
       "  'get',\n",
       "  'by',\n",
       "  'with',\n",
       "  'just',\n",
       "  'English',\n",
       "  '?'],\n",
       " ['Strongest', 'travel', 'sunblock', '?'],\n",
       " ['What',\n",
       "  'are',\n",
       "  'the',\n",
       "  'most',\n",
       "  'effective',\n",
       "  'rideshare',\n",
       "  'sites',\n",
       "  'in',\n",
       "  'the',\n",
       "  'US',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'time',\n",
       "  'do',\n",
       "  'the',\n",
       "  'city',\n",
       "  'buses',\n",
       "  'start',\n",
       "  'running',\n",
       "  'in',\n",
       "  'Istanbul',\n",
       "  '?'],\n",
       " ['Are', 'cruises', \"'\", 'Shore', 'Excursions', 'worth', 'the', 'money', '?'],\n",
       " ['Can', 'I', 'drive', 'in', 'OR', 'state', 'with', 'CT', 'license', '?'],\n",
       " ['Can',\n",
       "  'Hostelworld',\n",
       "  'Gold',\n",
       "  'membership',\n",
       "  'numbers',\n",
       "  'be',\n",
       "  'shared',\n",
       "  'among',\n",
       "  'multiple',\n",
       "  'accounts',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'long',\n",
       "  'does',\n",
       "  'it',\n",
       "  'take',\n",
       "  'to',\n",
       "  'process',\n",
       "  'a',\n",
       "  'French',\n",
       "  'working',\n",
       "  'holiday',\n",
       "  'visa',\n",
       "  '?'],\n",
       " ['Visit', 'the', 'UK', 'with', 'Schengen', 'tourist', 'short-stay', 'visa'],\n",
       " ['How', 'to', 'get', 'into', 'and', 'travel', 'across', 'Tanzania'],\n",
       " ['Direct', 'bus', 'from', 'Johannesburg', 'Airport', 'to', 'Mbabane'],\n",
       " ['Do',\n",
       "  'I',\n",
       "  'have',\n",
       "  'to',\n",
       "  'visit',\n",
       "  'the',\n",
       "  'Chinese',\n",
       "  'consulate',\n",
       "  'in',\n",
       "  'person',\n",
       "  'to',\n",
       "  'get',\n",
       "  'my',\n",
       "  'visa',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'regulations',\n",
       "  'should',\n",
       "  'a',\n",
       "  'European',\n",
       "  'driver',\n",
       "  'know',\n",
       "  'when',\n",
       "  'driving',\n",
       "  'in',\n",
       "  'the',\n",
       "  'US',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'kind',\n",
       "  'of',\n",
       "  'plug',\n",
       "  'adapter',\n",
       "  'should',\n",
       "  'I',\n",
       "  'pack',\n",
       "  'for',\n",
       "  'India',\n",
       "  '?'],\n",
       " ['Khiva',\n",
       "  'to',\n",
       "  'Bukhara',\n",
       "  '(',\n",
       "  'Uzbekistan',\n",
       "  ')',\n",
       "  'for',\n",
       "  'solo',\n",
       "  'traveller'],\n",
       " ['Which', 'credit', 'cards', 'have', 'global', 'coverage', '?'],\n",
       " ['Rome', 'football', 'derby', '-', 'how', 'can', 'I', 'visit', 'it', '?'],\n",
       " ['How',\n",
       "  'can',\n",
       "  'I',\n",
       "  'do',\n",
       "  'a',\n",
       "  '``',\n",
       "  'broad',\n",
       "  \"''\",\n",
       "  'search',\n",
       "  'for',\n",
       "  'flights',\n",
       "  '?'],\n",
       " ['What',\n",
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       "  'the',\n",
       "  'easiest',\n",
       "  'way',\n",
       "  'to',\n",
       "  'find',\n",
       "  'a',\n",
       "  'vacation',\n",
       "  'rental',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'far',\n",
       "  'into',\n",
       "  'Washington',\n",
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       "  'DC',\n",
       "  'should',\n",
       "  'I',\n",
       "  'drive',\n",
       "  'before',\n",
       "  'taking',\n",
       "  'the',\n",
       "  'Metro',\n",
       "  '?'],\n",
       " ['Metal', 'flasks', 'with', 'baby', 'food', 'in', 'a', 'plane'],\n",
       " ['Carnet', 'insurance', 'for', 'driving', 'into', 'Iran', '?'],\n",
       " ['Banff',\n",
       "  'to',\n",
       "  'Vancouver',\n",
       "  'via',\n",
       "  'Kootenay',\n",
       "  'and',\n",
       "  'Okanagan',\n",
       "  'valley',\n",
       "  'in',\n",
       "  'three',\n",
       "  'days',\n",
       "  ':',\n",
       "  'does',\n",
       "  'it',\n",
       "  'make',\n",
       "  'sense',\n",
       "  '?'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'ferry',\n",
       "  'companies',\n",
       "  'that',\n",
       "  'visit',\n",
       "  'the',\n",
       "  'Norwegian',\n",
       "  'fjords',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'food',\n",
       "  'to',\n",
       "  'take',\n",
       "  'on',\n",
       "  'a',\n",
       "  '3-4',\n",
       "  'day',\n",
       "  'long',\n",
       "  'hiking',\n",
       "  'trip',\n",
       "  '?'],\n",
       " ['Can',\n",
       "  'I',\n",
       "  'rent',\n",
       "  'a',\n",
       "  'camper',\n",
       "  'in',\n",
       "  'the',\n",
       "  'US/Canada',\n",
       "  'with',\n",
       "  'a',\n",
       "  'European',\n",
       "  'B',\n",
       "  'license',\n",
       "  '?'],\n",
       " ['How', 'to', 'see', 'the', 'Norwegian', 'fjords'],\n",
       " ['What',\n",
       "  'time',\n",
       "  'of',\n",
       "  'year',\n",
       "  'is',\n",
       "  'best',\n",
       "  'for',\n",
       "  'taking',\n",
       "  'the',\n",
       "  'Trans-Siberian',\n",
       "  'Express',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'to',\n",
       "  'stay',\n",
       "  'in',\n",
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       "  'for',\n",
       "  'more',\n",
       "  'than',\n",
       "  '30',\n",
       "  'days',\n",
       "  '?'],\n",
       " ['Long',\n",
       "  'Term',\n",
       "  'Travel',\n",
       "  '-',\n",
       "  'what',\n",
       "  'insurances',\n",
       "  'can',\n",
       "  '/',\n",
       "  'should',\n",
       "  'I',\n",
       "  'get',\n",
       "  '?'],\n",
       " ['Buying',\n",
       "  'Paris',\n",
       "  'metro',\n",
       "  'tickets',\n",
       "  'from',\n",
       "  'Eurostar',\n",
       "  'before/during',\n",
       "  'the',\n",
       "  'journey',\n",
       "  '?'],\n",
       " ['Water', 'tests', 'during', 'travelling'],\n",
       " ['How', 'can', 'I', 'travel', 'to', 'Germany', 'with', 'my', 'dog', '?'],\n",
       " ['Northern',\n",
       "  'Cyprus',\n",
       "  '-',\n",
       "  'way',\n",
       "  'to',\n",
       "  'visit',\n",
       "  'and',\n",
       "  'what',\n",
       "  'problems',\n",
       "  'can',\n",
       "  'I',\n",
       "  'have',\n",
       "  'with',\n",
       "  'Republic',\n",
       "  'of',\n",
       "  'Cyprus',\n",
       "  'after',\n",
       "  'that',\n",
       "  '?'],\n",
       " ['Elephant', 'Trekking', 'in', 'northern', 'Thailand'],\n",
       " ['In',\n",
       "  'the',\n",
       "  'US',\n",
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       "  'what',\n",
       "  \"'s\",\n",
       "  'a',\n",
       "  'good',\n",
       "  'prepaid',\n",
       "  'GSM',\n",
       "  'SIM',\n",
       "  'card',\n",
       "  'without',\n",
       "  'a',\n",
       "  'phone',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'international',\n",
       "  'calling',\n",
       "  'card',\n",
       "  'can',\n",
       "  'be',\n",
       "  'purchased',\n",
       "  'online',\n",
       "  '?'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'any',\n",
       "  'ferry',\n",
       "  'companies',\n",
       "  'operating',\n",
       "  'between',\n",
       "  'Russian',\n",
       "  'East',\n",
       "  'ports',\n",
       "  'and',\n",
       "  'Japan',\n",
       "  '?'],\n",
       " ['Repeated',\n",
       "  'reminder',\n",
       "  'email',\n",
       "  'from',\n",
       "  'EasyJet',\n",
       "  'for',\n",
       "  'API',\n",
       "  'document'],\n",
       " ['Travel', 'insurance', 'with', 'a', 'pre-existing', 'condition'],\n",
       " ['Where', 'to', 'go', 'in', 'Thailand', 'in', 'September', '?'],\n",
       " ['How', 'short', 'notice', 'can', 'you', 'fly', 'to', 'USA', '?'],\n",
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       "  'should',\n",
       "  'I',\n",
       "  'spend',\n",
       "  'my',\n",
       "  'time',\n",
       "  'in',\n",
       "  'Calgary',\n",
       "  'in',\n",
       "  'August',\n",
       "  '?'],\n",
       " ['Can', 'I', 'take', 'my', 'liquid', 'medication', 'on', 'a', 'plane', '?'],\n",
       " ['Which', 'chateaux', 'of', 'the', 'Loire', 'are', 'worth', 'visiting', '?'],\n",
       " ['What', \"'s\", 'a', 'good', 'alternative', 'to', 'Dopplr', '?'],\n",
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       "  'how',\n",
       "  'long',\n",
       "  'does',\n",
       "  'the',\n",
       "  'Pamir',\n",
       "  'Highway',\n",
       "  'take',\n",
       "  'to',\n",
       "  'do',\n",
       "  '?'],\n",
       " ['a', 'webservice', 'for', 'finding', 'the', 'flights', 'by', 'country'],\n",
       " ['Extended', 'stay', 'visa', 'for', 'Germany'],\n",
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       "  'activities',\n",
       "  'for',\n",
       "  '60',\n",
       "  'year',\n",
       "  'old',\n",
       "  'parents',\n",
       "  'in',\n",
       "  'Langkawi',\n",
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       "  'Malaysia',\n",
       "  '?'],\n",
       " ['Getting', 'to', 'La', 'Tomatina'],\n",
       " ['Are', 'there', 'any', 'good', 'hostels', 'in', 'San', 'Francisco', '?'],\n",
       " ['Budget', 'caribbean', 'in', 'January', 'from', 'South', 'America'],\n",
       " ['Denmark', 'and', 'Schengen', '-', 'border', 'controls'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'the',\n",
       "  'minimum',\n",
       "  'passport',\n",
       "  'expiry',\n",
       "  'period',\n",
       "  'when',\n",
       "  'travelling',\n",
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       "  'USA',\n",
       "  'on',\n",
       "  'an',\n",
       "  'ESTA',\n",
       "  'authorization',\n",
       "  'from',\n",
       "  'a',\n",
       "  'previous',\n",
       "  'visit',\n",
       "  '?'],\n",
       " ['Where', 'can', 'I', 'find', 'a', 'guidebook', 'of', 'Menorca', '?'],\n",
       " ['Khojand', 'to', 'Dushanbe', '-', 'cost', 'vs', 'danger', '?'],\n",
       " ['Visa', '``', 'maximum', 'stay', \"''\", 'rules'],\n",
       " ['How',\n",
       "  'long',\n",
       "  'does',\n",
       "  'it',\n",
       "  'take',\n",
       "  'to',\n",
       "  'renew',\n",
       "  'a',\n",
       "  'US',\n",
       "  'passport',\n",
       "  '?'],\n",
       " ['Picking',\n",
       "  'up',\n",
       "  'Greyhound',\n",
       "  'bus',\n",
       "  'tickets',\n",
       "  'from',\n",
       "  'a',\n",
       "  'different',\n",
       "  'station',\n",
       "  'than',\n",
       "  'origin'],\n",
       " ['Shipping',\n",
       "  'my',\n",
       "  'car',\n",
       "  'from',\n",
       "  'Europe',\n",
       "  'to',\n",
       "  'Canada',\n",
       "  'or',\n",
       "  'the',\n",
       "  'U.S'],\n",
       " ['French', 'rules', 'for', 'long', 'stay', 'visa', ':', 'OFII'],\n",
       " ['Paris',\n",
       "  'Gare',\n",
       "  'du',\n",
       "  'Nord',\n",
       "  'to',\n",
       "  'Gare',\n",
       "  'Montparnasse',\n",
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       "  'by',\n",
       "  'public',\n",
       "  'transport',\n",
       "  'but',\n",
       "  'without',\n",
       "  'lots',\n",
       "  'of',\n",
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       " ['How',\n",
       "  'to',\n",
       "  'calculate',\n",
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       "  'of',\n",
       "  'days',\n",
       "  'you',\n",
       "  'can',\n",
       "  'stay',\n",
       "  'in',\n",
       "  'Taiwan',\n",
       "  'on',\n",
       "  'a',\n",
       "  'tourist',\n",
       "  'visa',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'there',\n",
       "  'any',\n",
       "  'trick',\n",
       "  'to',\n",
       "  'checking',\n",
       "  'in',\n",
       "  'more',\n",
       "  'weight',\n",
       "  'on',\n",
       "  'planes',\n",
       "  '?'],\n",
       " ['AAA', 'benefits', 'in', 'Europe', '?'],\n",
       " ['Getting', 'to', 'Guangzhou', 'from', 'Melbourne'],\n",
       " ['Shoes', 'for', 'long', 'flight'],\n",
       " ['Places', 'to', 'see', 'wildlife', 'near', 'Melbourne'],\n",
       " ['Collecting',\n",
       "  'French',\n",
       "  '(',\n",
       "  'SNCF',\n",
       "  ')',\n",
       "  '``',\n",
       "  'Ticket',\n",
       "  'On',\n",
       "  'Departure',\n",
       "  \"''\",\n",
       "  'tickets',\n",
       "  'from',\n",
       "  'outside',\n",
       "  'of',\n",
       "  'France',\n",
       "  '?'],\n",
       " ['What',\n",
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       "  'tricks',\n",
       "  'or',\n",
       "  'otherwise',\n",
       "  'have',\n",
       "  'you',\n",
       "  'used',\n",
       "  'to',\n",
       "  'get',\n",
       "  'upgrades',\n",
       "  'on',\n",
       "  'flights',\n",
       "  '?'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'any',\n",
       "  'issues',\n",
       "  'with',\n",
       "  'using',\n",
       "  'credit',\n",
       "  'cards',\n",
       "  'in',\n",
       "  'Germany',\n",
       "  '?'],\n",
       " ['Ferry',\n",
       "  'connection',\n",
       "  'between',\n",
       "  'Crimea',\n",
       "  '(',\n",
       "  'Ukraine',\n",
       "  ')',\n",
       "  'and',\n",
       "  'Georgia',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'possible',\n",
       "  'to',\n",
       "  'bring',\n",
       "  'a',\n",
       "  'bicycle',\n",
       "  'on',\n",
       "  'a',\n",
       "  'plane',\n",
       "  '?'],\n",
       " ['Are',\n",
       "  'some',\n",
       "  'permanent',\n",
       "  'markers',\n",
       "  'not',\n",
       "  'safe',\n",
       "  'for',\n",
       "  'checked',\n",
       "  'luggage',\n",
       "  '?'],\n",
       " ['Penalty', 'for', 'overstaying', 'tourist', 'visa', 'in', 'Taiwan'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'the',\n",
       "  'best',\n",
       "  'way',\n",
       "  'to',\n",
       "  'get',\n",
       "  'from',\n",
       "  'Rome',\n",
       "  'to',\n",
       "  'Venice',\n",
       "  '?'],\n",
       " ['Trans-Siberian', 'Express', ':', 'Stopping', 'along', 'the', 'way', '?'],\n",
       " ['When',\n",
       "  'to',\n",
       "  'book',\n",
       "  'tickets',\n",
       "  'from',\n",
       "  'travel',\n",
       "  'sites',\n",
       "  'rather',\n",
       "  'than',\n",
       "  'airline',\n",
       "  'sites',\n",
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       " ['How',\n",
       "  'to',\n",
       "  'book',\n",
       "  'courier',\n",
       "  'flights',\n",
       "  '(',\n",
       "  'discounted',\n",
       "  'fare',\n",
       "  'in',\n",
       "  'exchange',\n",
       "  'for',\n",
       "  'delivering',\n",
       "  'a',\n",
       "  'package',\n",
       "  'upon',\n",
       "  'arrival',\n",
       "  ')',\n",
       "  '?'],\n",
       " ['``',\n",
       "  'Flight',\n",
       "  'mode',\n",
       "  \"''\",\n",
       "  'phone',\n",
       "  'use',\n",
       "  'banned',\n",
       "  'on',\n",
       "  'Ryanair',\n",
       "  '.',\n",
       "  'Is',\n",
       "  'this',\n",
       "  'a',\n",
       "  'worldwide',\n",
       "  'phenomenon',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'the',\n",
       "  'minimum',\n",
       "  'time',\n",
       "  'to',\n",
       "  'consider',\n",
       "  'with',\n",
       "  'a',\n",
       "  'connecting',\n",
       "  'flight',\n",
       "  'in',\n",
       "  'the',\n",
       "  'USA',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'possible',\n",
       "  'to',\n",
       "  'obtain',\n",
       "  'a',\n",
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       "  'permit',\n",
       "  'for',\n",
       "  'a',\n",
       "  'teaching',\n",
       "  'role',\n",
       "  'in',\n",
       "  'the',\n",
       "  'UK',\n",
       "  'without',\n",
       "  'a',\n",
       "  'teaching',\n",
       "  'degree',\n",
       "  '?'],\n",
       " ['Choosing', 'an', 'airline', 'alliance'],\n",
       " ['Using', 'an', 'Amazon', 'Kindle', 'onboard', 'a', 'flight', '?'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'any',\n",
       "  'museums',\n",
       "  'in',\n",
       "  'Stockholm',\n",
       "  'for',\n",
       "  'children',\n",
       "  '?',\n",
       "  '(',\n",
       "  'not',\n",
       "  'Junibacken',\n",
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       " ['How',\n",
       "  'long',\n",
       "  'does',\n",
       "  'it',\n",
       "  'take',\n",
       "  'for',\n",
       "  'a',\n",
       "  'US',\n",
       "  'citizen',\n",
       "  'to',\n",
       "  'get',\n",
       "  'their',\n",
       "  'first',\n",
       "  'passport',\n",
       "  '?'],\n",
       " ['Online', 'version', 'of', 'the', 'Louvre', 'museum'],\n",
       " ['What',\n",
       "  'type',\n",
       "  'of',\n",
       "  'writing',\n",
       "  'pen',\n",
       "  'is',\n",
       "  'suited',\n",
       "  'for',\n",
       "  'travelling',\n",
       "  '?'],\n",
       " ['What',\n",
       "  \"'s\",\n",
       "  'the',\n",
       "  'name',\n",
       "  'for',\n",
       "  'the',\n",
       "  '``',\n",
       "  'blocking',\n",
       "  \"''\",\n",
       "  'stickers',\n",
       "  'used',\n",
       "  'on',\n",
       "  'car',\n",
       "  'headlights',\n",
       "  '?'],\n",
       " ['Can',\n",
       "  'I',\n",
       "  'get',\n",
       "  'warfarin',\n",
       "  'in',\n",
       "  'Tajikistan',\n",
       "  '(',\n",
       "  'or',\n",
       "  'nearby',\n",
       "  '?',\n",
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       " ['US',\n",
       "  'citizens',\n",
       "  'traveling',\n",
       "  'between',\n",
       "  '2',\n",
       "  '``',\n",
       "  'no',\n",
       "  'visa',\n",
       "  'required',\n",
       "  \"''\",\n",
       "  'countries'],\n",
       " ['How',\n",
       "  'to',\n",
       "  'extend',\n",
       "  'Indonesian',\n",
       "  'visa',\n",
       "  'on',\n",
       "  'arrival',\n",
       "  '(',\n",
       "  'VOA',\n",
       "  ')',\n",
       "  'in',\n",
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       " ['What',\n",
       "  'happens',\n",
       "  'when',\n",
       "  'a',\n",
       "  'foreigner',\n",
       "  'gets',\n",
       "  'a',\n",
       "  'traffic',\n",
       "  'fine',\n",
       "  'in',\n",
       "  'the',\n",
       "  'United',\n",
       "  'States',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'are',\n",
       "  'some',\n",
       "  'strategies',\n",
       "  'for',\n",
       "  'keeping',\n",
       "  'solo',\n",
       "  'travel',\n",
       "  'costs',\n",
       "  'down',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'a',\n",
       "  'good',\n",
       "  'country',\n",
       "  'for',\n",
       "  'a',\n",
       "  'working',\n",
       "  'vacation',\n",
       "  '?'],\n",
       " ['Cell', 'phone', 'frequencies', 'in', 'Nicaragua'],\n",
       " ['Visa', 'for', 'US', 'citizen', 'visiting', 'Nicaragua'],\n",
       " ['Dushanbe', 'to', 'Bishkek', 'overland', '-', 'options', '?'],\n",
       " ['Downloadable', 'maps', 'of', 'China'],\n",
       " ['US', 'debit/ATM', 'card', 'with', 'lowest', 'fees', 'for', 'travel'],\n",
       " ['US',\n",
       "  'Dollar',\n",
       "  '(',\n",
       "  'USD',\n",
       "  ')',\n",
       "  'to',\n",
       "  'Nicaraguan',\n",
       "  'Córdoba',\n",
       "  '(',\n",
       "  'NIO',\n",
       "  ')',\n",
       "  'exchange',\n",
       "  'rate'],\n",
       " ['Website',\n",
       "  'resources',\n",
       "  'for',\n",
       "  \"'out\",\n",
       "  'there',\n",
       "  \"'\",\n",
       "  'jobs',\n",
       "  'related',\n",
       "  'to',\n",
       "  'travel'],\n",
       " ['How', 'can', 'I', 'avoid', 'or', 'minimize', 'jet', 'lag', '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'possible',\n",
       "  'to',\n",
       "  'recharge',\n",
       "  'an',\n",
       "  'OV-chipkaart',\n",
       "  'without',\n",
       "  'a',\n",
       "  'Dutch',\n",
       "  'banking',\n",
       "  'card',\n",
       "  '?'],\n",
       " ['Visiting', 'giant', 'panda', 'sanctuary', 'Chengdu', 'from', 'Guangzhou'],\n",
       " ['How', 'can', 'I', 'fly', 'with', 'a', 'guitar', '?'],\n",
       " ['What',\n",
       "  'are',\n",
       "  'Ireland',\n",
       "  \"'s\",\n",
       "  'top',\n",
       "  'places',\n",
       "  'to',\n",
       "  'visit',\n",
       "  'with',\n",
       "  'a',\n",
       "  'toddler',\n",
       "  '?'],\n",
       " ['Transit', 'visa', 'on', 'arrival', 'in', 'Kazakhstan'],\n",
       " ['Is', 'the', 'Pamir', 'highway', 'passable', 'in', 'early', 'October', '?'],\n",
       " ['Overland',\n",
       "  'route',\n",
       "  'from',\n",
       "  'the',\n",
       "  'Caucasus',\n",
       "  'to',\n",
       "  'Mongolia',\n",
       "  'without',\n",
       "  'entering',\n",
       "  'Russia',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'possible',\n",
       "  'to',\n",
       "  'apply',\n",
       "  'for',\n",
       "  'a',\n",
       "  'Chinese',\n",
       "  'visa',\n",
       "  'while',\n",
       "  'travelling',\n",
       "  'outside',\n",
       "  'your',\n",
       "  'home',\n",
       "  'country',\n",
       "  '?'],\n",
       " ['Where',\n",
       "  'can',\n",
       "  'I',\n",
       "  'find',\n",
       "  'road',\n",
       "  'atlas',\n",
       "  'for',\n",
       "  'Ireland',\n",
       "  'including',\n",
       "  'campsites',\n",
       "  '?'],\n",
       " ['Time', 'needed', 'to', 'visit', 'the', 'Seattle', 'Space', 'Needle'],\n",
       " ['Recommended',\n",
       "  'destinations',\n",
       "  'located',\n",
       "  'close',\n",
       "  'to',\n",
       "  'Siem',\n",
       "  'Reap',\n",
       "  ',',\n",
       "  'Cambodia'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'possible',\n",
       "  'to',\n",
       "  'visit',\n",
       "  'Abkhazia',\n",
       "  'by',\n",
       "  'land',\n",
       "  'from',\n",
       "  'Georgia',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'possible',\n",
       "  'for',\n",
       "  'a',\n",
       "  'tourist',\n",
       "  'to',\n",
       "  'visit',\n",
       "  'South',\n",
       "  'Ossetia',\n",
       "  '?'],\n",
       " ['Elm',\n",
       "  ',',\n",
       "  'Switzerland',\n",
       "  '-',\n",
       "  'Suvorov',\n",
       "  'monument',\n",
       "  'and',\n",
       "  'Glarus',\n",
       "  'thrust'],\n",
       " ['Transporting',\n",
       "  'a',\n",
       "  'big',\n",
       "  'shipment',\n",
       "  'of',\n",
       "  'computer',\n",
       "  'equipment',\n",
       "  'to',\n",
       "  'the',\n",
       "  'Caribbean'],\n",
       " ['Do',\n",
       "  'infants',\n",
       "  'need',\n",
       "  'their',\n",
       "  'own',\n",
       "  'seats',\n",
       "  'on',\n",
       "  'long',\n",
       "  'flights',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'there',\n",
       "  'any',\n",
       "  'similar',\n",
       "  'alternative',\n",
       "  'to',\n",
       "  'Zanzibar',\n",
       "  ',',\n",
       "  'in',\n",
       "  'Tanzania',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'the',\n",
       "  'best',\n",
       "  'method',\n",
       "  'of',\n",
       "  'purchasing',\n",
       "  'a',\n",
       "  'ticket',\n",
       "  'with',\n",
       "  'an',\n",
       "  'open',\n",
       "  'return',\n",
       "  'date',\n",
       "  '?'],\n",
       " ['Camping', 'near', 'a', 'beach', ',', 'not', 'far', 'from', 'Tokyo'],\n",
       " ['Choosing', 'hiking', 'shoes'],\n",
       " ['Mountain',\n",
       "  'bike',\n",
       "  'routes',\n",
       "  'in',\n",
       "  'Val',\n",
       "  'di',\n",
       "  'Sole',\n",
       "  ',',\n",
       "  'Trentino',\n",
       "  '?'],\n",
       " ['Which',\n",
       "  'embassy/consulate',\n",
       "  'to',\n",
       "  'contact',\n",
       "  'when',\n",
       "  'you',\n",
       "  'need',\n",
       "  'consular',\n",
       "  'support',\n",
       "  'for',\n",
       "  'a',\n",
       "  'family',\n",
       "  'where',\n",
       "  'the',\n",
       "  'parents',\n",
       "  'have',\n",
       "  'different',\n",
       "  'nationalities',\n",
       "  '?'],\n",
       " ['Green', 'card', 'lottery', '-', 'what', 'does', 'it', 'mean', '?'],\n",
       " ['Bishkek', '(', 'or', 'Almaty', ')', 'to', 'Novosibirsk', 'next', 'week'],\n",
       " ['Which',\n",
       "  'airlines',\n",
       "  'fly',\n",
       "  'from',\n",
       "  'Ulaanbaatar',\n",
       "  '/',\n",
       "  'Ulan',\n",
       "  'Bator',\n",
       "  '?'],\n",
       " ['Going',\n",
       "  'to',\n",
       "  'Playa',\n",
       "  'de',\n",
       "  'Carmen',\n",
       "  'in',\n",
       "  'a',\n",
       "  'few',\n",
       "  'weeks',\n",
       "  '-',\n",
       "  'What',\n",
       "  'do',\n",
       "  'I',\n",
       "  'need',\n",
       "  'to',\n",
       "  'know',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'the',\n",
       "  'most',\n",
       "  'time',\n",
       "  'and',\n",
       "  'cost',\n",
       "  'efficient',\n",
       "  'way',\n",
       "  'to',\n",
       "  'get',\n",
       "  'from',\n",
       "  'Buenos',\n",
       "  'Aires',\n",
       "  'to',\n",
       "  'Iguazu',\n",
       "  'falls',\n",
       "  '?'],\n",
       " ['Which',\n",
       "  'Australian',\n",
       "  'bank/account',\n",
       "  'incurs',\n",
       "  'lowest',\n",
       "  'fees',\n",
       "  'using',\n",
       "  'an',\n",
       "  'ATM',\n",
       "  'card',\n",
       "  'overseas',\n",
       "  '?'],\n",
       " ['Does',\n",
       "  'a',\n",
       "  'Singaporean',\n",
       "  'Student',\n",
       "  'Pass',\n",
       "  'visa',\n",
       "  'card',\n",
       "  'need',\n",
       "  'to',\n",
       "  'be',\n",
       "  'surrendered',\n",
       "  'when',\n",
       "  'it',\n",
       "  'expires',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'required',\n",
       "  'of',\n",
       "  'an',\n",
       "  'Australian',\n",
       "  'citizen',\n",
       "  'to',\n",
       "  'get',\n",
       "  'a',\n",
       "  'visa',\n",
       "  'for',\n",
       "  'Ukraine',\n",
       "  '?'],\n",
       " ['Entertaining',\n",
       "  'family',\n",
       "  'stopovers',\n",
       "  'on',\n",
       "  'a',\n",
       "  'driving',\n",
       "  'trip',\n",
       "  'from',\n",
       "  'Pittsburgh',\n",
       "  ',',\n",
       "  'PA',\n",
       "  ',',\n",
       "  'to',\n",
       "  'Chicago',\n",
       "  ',',\n",
       "  'IL'],\n",
       " ['Is',\n",
       "  'there',\n",
       "  'a',\n",
       "  'transit',\n",
       "  'visa',\n",
       "  'requirement',\n",
       "  'for',\n",
       "  'Chinese',\n",
       "  'airports',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'time',\n",
       "  'is',\n",
       "  'the',\n",
       "  'daily',\n",
       "  'train',\n",
       "  'from',\n",
       "  'Balykchy',\n",
       "  'on',\n",
       "  'Lake',\n",
       "  'Issyk-Kul',\n",
       "  'to',\n",
       "  'Bishkek',\n",
       "  '?'],\n",
       " ['Left', 'Luggage', 'facilities', 'at', 'Paris', 'Gare', 'du', 'Nord', '?'],\n",
       " ['Paris',\n",
       "  'on',\n",
       "  'a',\n",
       "  'Tuesday',\n",
       "  '-',\n",
       "  'are',\n",
       "  'the',\n",
       "  'Louvre',\n",
       "  'and',\n",
       "  'the',\n",
       "  'Pompidou',\n",
       "  'Centre',\n",
       "  'the',\n",
       "  'only',\n",
       "  '``',\n",
       "  'big',\n",
       "  \"''\",\n",
       "  'attractions',\n",
       "  'that',\n",
       "  'are',\n",
       "  'closed',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'can',\n",
       "  'I',\n",
       "  'find',\n",
       "  'short-term',\n",
       "  'private',\n",
       "  'room',\n",
       "  'accommodations',\n",
       "  'in',\n",
       "  'London',\n",
       "  '?'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'low',\n",
       "  'cost',\n",
       "  'airlines',\n",
       "  'to',\n",
       "  'travel',\n",
       "  'within',\n",
       "  'the',\n",
       "  'US',\n",
       "  '?'],\n",
       " ['Which', 'airlines', 'provide', 'free', 'stopovers', '?'],\n",
       " ['Tactics',\n",
       "  'to',\n",
       "  'avoid',\n",
       "  'getting',\n",
       "  'harassed',\n",
       "  'by',\n",
       "  'corrupt',\n",
       "  'police',\n",
       "  '?'],\n",
       " ['Getting',\n",
       "  'married',\n",
       "  'in',\n",
       "  'Madrid',\n",
       "  ',',\n",
       "  'looking',\n",
       "  'for',\n",
       "  'affordable',\n",
       "  'group',\n",
       "  'housing',\n",
       "  'for',\n",
       "  'friends',\n",
       "  '&',\n",
       "  'family'],\n",
       " [\"'Easiest\", \"'\", 'Place', 'to', 'get', 'a', 'Mongolian', 'Visa', '?'],\n",
       " ['Unplanned', 'backpacking', 'across', 'several', 'European', 'countries'],\n",
       " ['Do',\n",
       "  'Australian',\n",
       "  'citizens',\n",
       "  'still',\n",
       "  'get',\n",
       "  'visa-free',\n",
       "  'entry',\n",
       "  'for',\n",
       "  '360',\n",
       "  'days',\n",
       "  'in',\n",
       "  'Georgia',\n",
       "  '(',\n",
       "  'the',\n",
       "  'country',\n",
       "  ')',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'a',\n",
       "  'chest',\n",
       "  'X-ray',\n",
       "  '/',\n",
       "  'report',\n",
       "  'required',\n",
       "  'to',\n",
       "  'enter',\n",
       "  'the',\n",
       "  'UK',\n",
       "  '?'],\n",
       " ['What', 'to', 'show', 'grandparents', 'in', 'Stockholm/Anytown', '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'bad',\n",
       "  'to',\n",
       "  'give',\n",
       "  'money',\n",
       "  'to',\n",
       "  'beggars',\n",
       "  'in',\n",
       "  'India',\n",
       "  '?'],\n",
       " ['Accommodation',\n",
       "  'search',\n",
       "  'engine',\n",
       "  'that',\n",
       "  'allows',\n",
       "  'setting',\n",
       "  'an',\n",
       "  'approximate',\n",
       "  'price',\n",
       "  'range',\n",
       "  'without',\n",
       "  'a',\n",
       "  'date',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'long',\n",
       "  'does',\n",
       "  'it',\n",
       "  'take',\n",
       "  'for',\n",
       "  'a',\n",
       "  'US',\n",
       "  'citizen',\n",
       "  'to',\n",
       "  'get',\n",
       "  'a',\n",
       "  'visa',\n",
       "  'to',\n",
       "  'travel',\n",
       "  'to',\n",
       "  'Israel',\n",
       "  '?'],\n",
       " ['Airport', 'transfer', 'in', 'Sanya'],\n",
       " ['Differences', 'between', 'China', 'Southern', 'and', 'Cathay', 'Pacific'],\n",
       " ['Talgo', 'train', 'from', 'Almaty', 'to', 'Astana', '?'],\n",
       " ['Online',\n",
       "  'travel',\n",
       "  'agent',\n",
       "  'leaving',\n",
       "  'and',\n",
       "  'returning',\n",
       "  'with',\n",
       "  'different',\n",
       "  'airlines'],\n",
       " ['Alternate', 'routes', 'Almaty', 'to', 'Novosibirsk'],\n",
       " ['Getting', 'from', 'Victoria', 'Falls', 'airport', 'to', 'town'],\n",
       " ['What',\n",
       "  'direct',\n",
       "  'flights',\n",
       "  'connect',\n",
       "  'Brazil',\n",
       "  'or',\n",
       "  'Argentina',\n",
       "  'to',\n",
       "  'South',\n",
       "  'Africa',\n",
       "  '?'],\n",
       " ['Can',\n",
       "  'anyone',\n",
       "  'recommend',\n",
       "  'me',\n",
       "  'a',\n",
       "  'good',\n",
       "  'travel',\n",
       "  'book',\n",
       "  'about',\n",
       "  'the',\n",
       "  'area',\n",
       "  'Black',\n",
       "  'Forest',\n",
       "  'in',\n",
       "  'Germany',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'there',\n",
       "  'wifi',\n",
       "  'in',\n",
       "  'Astana',\n",
       "  'Airport',\n",
       "  '(',\n",
       "  'Kazakhstan',\n",
       "  ')',\n",
       "  '?'],\n",
       " ['Motorcycle', 'rentals', 'in', 'Spain', ',', 'licence', 'restrictions'],\n",
       " ['How',\n",
       "  'could',\n",
       "  'I',\n",
       "  'explore',\n",
       "  'the',\n",
       "  'Rock',\n",
       "  'Islands',\n",
       "  'of',\n",
       "  'Palau',\n",
       "  '?'],\n",
       " ['What',\n",
       "  \"'s\",\n",
       "  'the',\n",
       "  'best',\n",
       "  'way',\n",
       "  'to',\n",
       "  'get',\n",
       "  'from',\n",
       "  'Freiburg',\n",
       "  '(',\n",
       "  'Germany',\n",
       "  ')',\n",
       "  'to',\n",
       "  'Hannover',\n",
       "  '(',\n",
       "  'Germany',\n",
       "  ')',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'are',\n",
       "  'good',\n",
       "  'security',\n",
       "  'tactics',\n",
       "  'for',\n",
       "  'sleeping',\n",
       "  'in',\n",
       "  'airports',\n",
       "  '?'],\n",
       " ['Is', 'there', 'a', 'bus', 'from', 'San', 'Francisco', 'to', 'Sonoma', '?'],\n",
       " ['London', 'clubs', 'with', 'nu-folk', 'local', 'bands'],\n",
       " ['Can',\n",
       "  'I',\n",
       "  'use',\n",
       "  'B1/B2',\n",
       "  'visa',\n",
       "  'to',\n",
       "  'travel',\n",
       "  'to',\n",
       "  'the',\n",
       "  'US',\n",
       "  'without',\n",
       "  'a',\n",
       "  'business',\n",
       "  'purpose',\n",
       "  '?'],\n",
       " ['Skiing',\n",
       "  'in',\n",
       "  'BC',\n",
       "  'in',\n",
       "  'November',\n",
       "  '-',\n",
       "  'can',\n",
       "  'it',\n",
       "  'be',\n",
       "  'done',\n",
       "  'as',\n",
       "  'a',\n",
       "  'day',\n",
       "  'trip',\n",
       "  'from',\n",
       "  'Vancouver',\n",
       "  '?'],\n",
       " ['In',\n",
       "  'the',\n",
       "  'Loire',\n",
       "  'Valley',\n",
       "  ',',\n",
       "  'are',\n",
       "  'there',\n",
       "  'any',\n",
       "  '``',\n",
       "  'arty',\n",
       "  \"''\",\n",
       "  'caves',\n",
       "  'that',\n",
       "  'can',\n",
       "  'be',\n",
       "  'visited',\n",
       "  '?'],\n",
       " ['Compensation',\n",
       "  'for',\n",
       "  'delayed',\n",
       "  'baggage',\n",
       "  'on',\n",
       "  'international',\n",
       "  'United',\n",
       "  'flight'],\n",
       " ['Where', 'is', 'this', 'flag', 'from', '?'],\n",
       " ['Resources',\n",
       "  'for',\n",
       "  'planning',\n",
       "  'a',\n",
       "  'western',\n",
       "  'United',\n",
       "  'States',\n",
       "  'road',\n",
       "  'trip'],\n",
       " ['Travel', 'planning', 'web', 'sites'],\n",
       " ['Where', 'is', 'wild', 'camping', 'possible', 'in', 'Europe', '?'],\n",
       " ['Swiss',\n",
       "  'mountain',\n",
       "  'peaks',\n",
       "  'in',\n",
       "  'February',\n",
       "  '-',\n",
       "  'suitable',\n",
       "  'weather',\n",
       "  'conditions',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'do',\n",
       "  'I',\n",
       "  'get',\n",
       "  'a',\n",
       "  'permanent',\n",
       "  'legal',\n",
       "  'right',\n",
       "  'to',\n",
       "  'work',\n",
       "  'in',\n",
       "  'the',\n",
       "  'United',\n",
       "  'States',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'reliable',\n",
       "  'are',\n",
       "  'hotels',\n",
       "  \"'\",\n",
       "  'information',\n",
       "  'on',\n",
       "  'their',\n",
       "  'websites',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'some',\n",
       "  'useful',\n",
       "  'software',\n",
       "  'for',\n",
       "  'brainstorming/planning',\n",
       "  'long',\n",
       "  'trips',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'Norway',\n",
       "  'significantly',\n",
       "  'more',\n",
       "  'expensive',\n",
       "  'than',\n",
       "  'other',\n",
       "  'European',\n",
       "  'destinations',\n",
       "  '?'],\n",
       " ['Do', 'American', 'cellphones', 'work', 'in', 'Europe', '?'],\n",
       " ['What',\n",
       "  'should',\n",
       "  'we',\n",
       "  'consider',\n",
       "  'when',\n",
       "  'buying',\n",
       "  'a',\n",
       "  'gift',\n",
       "  'for',\n",
       "  'a',\n",
       "  'host',\n",
       "  'family',\n",
       "  'in',\n",
       "  'Turkey',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'should',\n",
       "  'I',\n",
       "  'choose',\n",
       "  'the',\n",
       "  'best',\n",
       "  'option',\n",
       "  'for',\n",
       "  'a',\n",
       "  'London',\n",
       "  'apartment',\n",
       "  'rental',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'there',\n",
       "  'a',\n",
       "  'flight',\n",
       "  'search',\n",
       "  'engine',\n",
       "  'that',\n",
       "  'has',\n",
       "  'an',\n",
       "  'option',\n",
       "  'to',\n",
       "  'show',\n",
       "  'full',\n",
       "  'flights',\n",
       "  '?'],\n",
       " ['Do', 'I', 'need', 'sunglasses', 'in', 'the', 'Dolomites', '?'],\n",
       " ['Is',\n",
       "  'there',\n",
       "  'a',\n",
       "  'resource',\n",
       "  'to',\n",
       "  'find',\n",
       "  'free',\n",
       "  ',',\n",
       "  'open',\n",
       "  'wifi',\n",
       "  'hotspots',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'are',\n",
       "  'more',\n",
       "  'authentic',\n",
       "  'places',\n",
       "  'in',\n",
       "  'London',\n",
       "  ',',\n",
       "  'as',\n",
       "  'opposed',\n",
       "  'to',\n",
       "  'the',\n",
       "  'ones',\n",
       "  'overcrowded',\n",
       "  'with',\n",
       "  'tourists',\n",
       "  '?'],\n",
       " ['Which',\n",
       "  'US',\n",
       "  'credit',\n",
       "  'cards',\n",
       "  'have',\n",
       "  'the',\n",
       "  'cheapest',\n",
       "  'foreign',\n",
       "  'transaction',\n",
       "  'fees',\n",
       "  '?'],\n",
       " ['Irkutsk', 'to', 'Ulaanbaatar', 'by', 'train', 'or', 'bus', '?'],\n",
       " ['How',\n",
       "  'to',\n",
       "  'book',\n",
       "  'a',\n",
       "  'bassinet',\n",
       "  'for',\n",
       "  'an',\n",
       "  'infant',\n",
       "  'on',\n",
       "  'a',\n",
       "  'flight',\n",
       "  '?'],\n",
       " ['Does',\n",
       "  'the',\n",
       "  'Disney',\n",
       "  'Dining',\n",
       "  'plan',\n",
       "  'impose',\n",
       "  'any',\n",
       "  'restrictions',\n",
       "  'on',\n",
       "  'the',\n",
       "  'food',\n",
       "  'I',\n",
       "  'can',\n",
       "  'order',\n",
       "  '?'],\n",
       " ['How', 'can', 'I', 'get', 'an', \"'invitation\", \"'\", 'to', 'Russia', '?'],\n",
       " ['Name', 'this', 'church', 'in', 'Moscow', ',', 'please', '?'],\n",
       " ['What',\n",
       "  'organizations',\n",
       "  'give',\n",
       "  'computer',\n",
       "  'science',\n",
       "  'PhD',\n",
       "  'students',\n",
       "  'travel',\n",
       "  'grants',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'to',\n",
       "  'find',\n",
       "  'out',\n",
       "  'your',\n",
       "  'body',\n",
       "  'weight',\n",
       "  'while',\n",
       "  'travelling',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'cheaper',\n",
       "  'to',\n",
       "  'book',\n",
       "  'excursions',\n",
       "  'locally',\n",
       "  'for',\n",
       "  'South',\n",
       "  'Africa',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'the',\n",
       "  'best',\n",
       "  'time',\n",
       "  'of',\n",
       "  'year',\n",
       "  'to',\n",
       "  'visit',\n",
       "  'Reykjavík',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'kind',\n",
       "  'of',\n",
       "  'Visa',\n",
       "  'do',\n",
       "  'I',\n",
       "  'need',\n",
       "  'to',\n",
       "  'land',\n",
       "  'on',\n",
       "  'the',\n",
       "  'EuroAirport',\n",
       "  'Basel-Mulhouse-Freiburg',\n",
       "  '?'],\n",
       " ['Which',\n",
       "  'country',\n",
       "  'should',\n",
       "  'I',\n",
       "  'go',\n",
       "  'to',\n",
       "  'in',\n",
       "  'order',\n",
       "  'to',\n",
       "  'see',\n",
       "  'gorillas',\n",
       "  '?'],\n",
       " ['Should',\n",
       "  'I',\n",
       "  'bring',\n",
       "  'sufficient',\n",
       "  'anti-mosquito',\n",
       "  'lotion',\n",
       "  'to',\n",
       "  'China',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'the',\n",
       "  'best',\n",
       "  'time',\n",
       "  'to',\n",
       "  'see',\n",
       "  'the',\n",
       "  'Lavender',\n",
       "  'in',\n",
       "  'France',\n",
       "  '?'],\n",
       " ['How', 'do', 'I', 'visit', 'Petra', 'from', 'Israel', '?'],\n",
       " ['Advice',\n",
       "  'on',\n",
       "  'taxis',\n",
       "  'and',\n",
       "  'accommodation',\n",
       "  'for',\n",
       "  'travel',\n",
       "  'in',\n",
       "  'Sri',\n",
       "  'Lanka'],\n",
       " ['How', 'to', 'go', 'to', 'Manchester', 'from', 'London', '?'],\n",
       " ['How',\n",
       "  'much',\n",
       "  'is',\n",
       "  'it',\n",
       "  'appropriate',\n",
       "  'to',\n",
       "  'tip',\n",
       "  'in',\n",
       "  'Palm',\n",
       "  'Beach',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'bus',\n",
       "  'and',\n",
       "  'train',\n",
       "  'routes',\n",
       "  'exist',\n",
       "  'between',\n",
       "  'Greece',\n",
       "  'and',\n",
       "  'the',\n",
       "  'Republic',\n",
       "  'of',\n",
       "  'Macedonia',\n",
       "  '?'],\n",
       " ['Where',\n",
       "  'can',\n",
       "  'I',\n",
       "  'usually',\n",
       "  'find',\n",
       "  'city',\n",
       "  'bikes',\n",
       "  'in',\n",
       "  'Copenhagen',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'are',\n",
       "  'some',\n",
       "  'ways',\n",
       "  'to',\n",
       "  'minimize',\n",
       "  'the',\n",
       "  'time',\n",
       "  'spent',\n",
       "  'in',\n",
       "  'customs',\n",
       "  '?'],\n",
       " ['What', 'cell', 'provider', 'should', 'I', 'use', 'in', 'Dubai', '?'],\n",
       " ['Travelling', 'with', 'beach', 'sand', 'in', 'carry-on'],\n",
       " ['What',\n",
       "  'considerations',\n",
       "  'should',\n",
       "  'I',\n",
       "  'make',\n",
       "  'for',\n",
       "  'traveling',\n",
       "  'in',\n",
       "  'Israel',\n",
       "  'on',\n",
       "  'the',\n",
       "  'Sabbath',\n",
       "  '?'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'any',\n",
       "  'repercussions',\n",
       "  'from',\n",
       "  'having',\n",
       "  'an',\n",
       "  'Israeli',\n",
       "  'stamp',\n",
       "  'in',\n",
       "  'my',\n",
       "  'passport',\n",
       "  '?'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'any',\n",
       "  'small',\n",
       "  'towns',\n",
       "  'near',\n",
       "  'Edinburgh',\n",
       "  'with',\n",
       "  'good',\n",
       "  'access',\n",
       "  'to',\n",
       "  'rural',\n",
       "  'hiking',\n",
       "  'routes',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'a',\n",
       "  'good',\n",
       "  'town/place',\n",
       "  'to',\n",
       "  'stay',\n",
       "  'at',\n",
       "  ',',\n",
       "  'in',\n",
       "  'order',\n",
       "  'to',\n",
       "  'visit',\n",
       "  'the',\n",
       "  'Dead',\n",
       "  'Sea',\n",
       "  '?'],\n",
       " ['Will',\n",
       "  'an',\n",
       "  'Iranian',\n",
       "  'or',\n",
       "  'Kuwaiti',\n",
       "  'visa',\n",
       "  'or',\n",
       "  'stamp',\n",
       "  'in',\n",
       "  'my',\n",
       "  'passport',\n",
       "  'pose',\n",
       "  'a',\n",
       "  'problem',\n",
       "  'on',\n",
       "  'a',\n",
       "  'future',\n",
       "  'visit',\n",
       "  'to',\n",
       "  'Israel',\n",
       "  '?'],\n",
       " ['When',\n",
       "  'travelling',\n",
       "  'from',\n",
       "  'London',\n",
       "  'to',\n",
       "  'northern',\n",
       "  'Sweden',\n",
       "  'by',\n",
       "  'train',\n",
       "  ',',\n",
       "  'is',\n",
       "  'it',\n",
       "  'possible',\n",
       "  'to',\n",
       "  'have',\n",
       "  'a',\n",
       "  'day',\n",
       "  'of',\n",
       "  'free',\n",
       "  'sightseeing',\n",
       "  'anywhere',\n",
       "  'other',\n",
       "  'than',\n",
       "  'Copenhagen',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'the',\n",
       "  'best',\n",
       "  'way',\n",
       "  'to',\n",
       "  'travel',\n",
       "  'around',\n",
       "  'Israel',\n",
       "  'and',\n",
       "  'Palestine',\n",
       "  '?'],\n",
       " ['Travelling',\n",
       "  'to',\n",
       "  'Israel',\n",
       "  '-',\n",
       "  'help',\n",
       "  'to',\n",
       "  'divide',\n",
       "  'time',\n",
       "  'between',\n",
       "  'areas'],\n",
       " ['Are', 'there', 'prepaid', 'mobile', 'data', 'plans', 'in', 'China', '?'],\n",
       " ['What',\n",
       "  \"'s\",\n",
       "  'the',\n",
       "  'cheapest',\n",
       "  'way',\n",
       "  'to',\n",
       "  'call',\n",
       "  'China',\n",
       "  'from',\n",
       "  'the',\n",
       "  'US',\n",
       "  'with',\n",
       "  'an',\n",
       "  'AT',\n",
       "  '&',\n",
       "  'T',\n",
       "  'cell',\n",
       "  'phone',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'can',\n",
       "  'I',\n",
       "  'book',\n",
       "  'deck',\n",
       "  'ferry',\n",
       "  'tickets',\n",
       "  'from',\n",
       "  'Piraeus',\n",
       "  ',',\n",
       "  'Athens',\n",
       "  'to',\n",
       "  'Naxos',\n",
       "  '?'],\n",
       " ['Access', 'airport', 'lounge', 'with', 'Gold/Premier', 'credit', 'card'],\n",
       " ['What',\n",
       "  'neighborhoods',\n",
       "  'or',\n",
       "  'sites',\n",
       "  'should',\n",
       "  'I',\n",
       "  'visit',\n",
       "  'in',\n",
       "  'Montreal',\n",
       "  '?'],\n",
       " ['Flying',\n",
       "  'UK',\n",
       "  'to',\n",
       "  'Canada',\n",
       "  'via',\n",
       "  'USA',\n",
       "  '.',\n",
       "  'Do',\n",
       "  'I',\n",
       "  'need',\n",
       "  'to',\n",
       "  'apply',\n",
       "  'for',\n",
       "  'ESTA',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'can',\n",
       "  'I',\n",
       "  'effectively',\n",
       "  'compare',\n",
       "  'data',\n",
       "  'plans',\n",
       "  'available',\n",
       "  'in',\n",
       "  'a',\n",
       "  'country',\n",
       "  '?'],\n",
       " ['Tickets', 'for', 'the', 'Italian', 'F1', 'Grand', 'Prix', 'at', 'Monza'],\n",
       " ['Non-EU',\n",
       "  'countries',\n",
       "  'covered',\n",
       "  'under',\n",
       "  'travel',\n",
       "  'insurance',\n",
       "  'plans',\n",
       "  'for',\n",
       "  'Europe'],\n",
       " ['How',\n",
       "  'to',\n",
       "  'find',\n",
       "  'the',\n",
       "  'duration',\n",
       "  'of',\n",
       "  'stay',\n",
       "  'in',\n",
       "  'Singapore',\n",
       "  'for',\n",
       "  'Pakistani',\n",
       "  'passport',\n",
       "  '?'],\n",
       " ['Itinerary', 'for', 'Galilee', 'and', 'the', 'Golan'],\n",
       " ['Which',\n",
       "  'is',\n",
       "  'the',\n",
       "  'best',\n",
       "  'frequent',\n",
       "  'flyer',\n",
       "  'program',\n",
       "  'to',\n",
       "  'join',\n",
       "  '?'],\n",
       " ['Getting',\n",
       "  'to',\n",
       "  'Terelj',\n",
       "  'National',\n",
       "  'Park',\n",
       "  'from',\n",
       "  'Ulaanbaatar',\n",
       "  ',',\n",
       "  'Mongolia'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'a',\n",
       "  'good',\n",
       "  'place',\n",
       "  'to',\n",
       "  'have',\n",
       "  'a',\n",
       "  'bird',\n",
       "  \"'s\",\n",
       "  'eye',\n",
       "  'view',\n",
       "  'of',\n",
       "  'Boston',\n",
       "  '?'],\n",
       " ['Long', 'stopover', 'time', 'in', 'Melbourne', 'Airport'],\n",
       " ['How', 'safe', 'is', 'Morocco', '?', '(', '2011-2012', ')'],\n",
       " ['My',\n",
       "  'departure',\n",
       "  'record',\n",
       "  'was',\n",
       "  'not',\n",
       "  'collected',\n",
       "  'when',\n",
       "  'I',\n",
       "  'left',\n",
       "  'the',\n",
       "  'USA',\n",
       "  '.',\n",
       "  'Is',\n",
       "  'this',\n",
       "  'a',\n",
       "  'problem',\n",
       "  '?'],\n",
       " ['Getting', 'to', 'the', 'sea', 'from', 'Oxford'],\n",
       " ['Good',\n",
       "  'locations',\n",
       "  'in',\n",
       "  'Spain',\n",
       "  'for',\n",
       "  'hiking',\n",
       "  ',',\n",
       "  'nature',\n",
       "  ',',\n",
       "  'architecture',\n",
       "  ',',\n",
       "  'and',\n",
       "  'photo',\n",
       "  'opportunities',\n",
       "  '?'],\n",
       " ['Finding', 'a', 'cruise', 'on', 'the', 'Nile'],\n",
       " ['What',\n",
       "  'are',\n",
       "  'the',\n",
       "  'Jordanian',\n",
       "  'visa',\n",
       "  'rules',\n",
       "  'for',\n",
       "  'travellers',\n",
       "  'entering',\n",
       "  'from',\n",
       "  'Israel',\n",
       "  '?'],\n",
       " ['Using', 'Australian', 'mobile', 'in', 'China'],\n",
       " ['Finding', 'Twin', 'rooms'],\n",
       " ['Do',\n",
       "  'you',\n",
       "  'need',\n",
       "  'to',\n",
       "  'get',\n",
       "  'a',\n",
       "  'new',\n",
       "  'ESTA',\n",
       "  'when',\n",
       "  'your',\n",
       "  'passport',\n",
       "  'is',\n",
       "  'renewed',\n",
       "  '?'],\n",
       " ['Changing', 'unusual', 'foreign', 'currencies', 'in', 'London'],\n",
       " ['What',\n",
       "  'does',\n",
       "  'a',\n",
       "  'technical',\n",
       "  'stop',\n",
       "  'mean',\n",
       "  'in',\n",
       "  'air',\n",
       "  'travel',\n",
       "  '?'],\n",
       " ['How',\n",
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       "  'I',\n",
       "  'prepare',\n",
       "  'for',\n",
       "  'a',\n",
       "  'visit',\n",
       "  'to',\n",
       "  'the',\n",
       "  'rice',\n",
       "  'terraces',\n",
       "  '?'],\n",
       " ['Travelling',\n",
       "  'by',\n",
       "  'train',\n",
       "  'in',\n",
       "  'mainland',\n",
       "  'Europe',\n",
       "  ',',\n",
       "  'will',\n",
       "  'I',\n",
       "  'save',\n",
       "  'money',\n",
       "  'by',\n",
       "  'booking',\n",
       "  'my',\n",
       "  'tickets',\n",
       "  'early',\n",
       "  '?'],\n",
       " ['Things',\n",
       "  'to',\n",
       "  'see',\n",
       "  'in',\n",
       "  'Nova',\n",
       "  'Scotia',\n",
       "  ',',\n",
       "  'that',\n",
       "  'are',\n",
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       "  'Halifax',\n",
       "  'centric'],\n",
       " ['Best',\n",
       "  'way',\n",
       "  'for',\n",
       "  'U.S.',\n",
       "  'citizen',\n",
       "  'to',\n",
       "  'obtain',\n",
       "  'China',\n",
       "  'visa',\n",
       "  'while',\n",
       "  'in',\n",
       "  'Europe',\n",
       "  '?'],\n",
       " ['Is', 'there', 'a', 'quaint', 'hotel', 'in', 'Venice', 'Beach', '?'],\n",
       " ['With',\n",
       "  'Airlines',\n",
       "  'using',\n",
       "  'the',\n",
       "  'same',\n",
       "  'programs',\n",
       "  ',',\n",
       "  'can',\n",
       "  'I',\n",
       "  'merge',\n",
       "  'benefits',\n",
       "  '?'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'any',\n",
       "  'problems',\n",
       "  'crossing',\n",
       "  'Kosovo',\n",
       "  \"'s\",\n",
       "  'international',\n",
       "  'borders',\n",
       "  'or',\n",
       "  'having',\n",
       "  'their',\n",
       "  'stamp',\n",
       "  'in',\n",
       "  'your',\n",
       "  'passport',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'can',\n",
       "  'I',\n",
       "  'find',\n",
       "  'train',\n",
       "  'departure',\n",
       "  'information',\n",
       "  'for',\n",
       "  'Athens',\n",
       "  '-',\n",
       "  'Istanbul',\n",
       "  '?'],\n",
       " ['How', 'can', 'I', 'get', 'a', 'great', 'view', 'of', 'Shanghai', '?'],\n",
       " ['How',\n",
       "  'can',\n",
       "  'I',\n",
       "  'find',\n",
       "  'info',\n",
       "  'about',\n",
       "  'the',\n",
       "  'train',\n",
       "  'or',\n",
       "  'bus',\n",
       "  'from',\n",
       "  'Murfatlar',\n",
       "  '(',\n",
       "  'Basarabi',\n",
       "  ')',\n",
       "  'to',\n",
       "  'Bucharest',\n",
       "  '?'],\n",
       " ['Southern', 'California', 'nature', 'day', 'trips', '?'],\n",
       " ['China', 'Airlines', ',', 'safe', '?'],\n",
       " ['Driving',\n",
       "  'Toronto',\n",
       "  'To',\n",
       "  'Vancouver',\n",
       "  'through',\n",
       "  'the',\n",
       "  'states',\n",
       "  ',',\n",
       "  'places',\n",
       "  'to',\n",
       "  'stay/see'],\n",
       " ['Favourite', 'tapas', 'bars', 'in', 'Barcelona'],\n",
       " ['Three',\n",
       "  'days',\n",
       "  'in',\n",
       "  'Montenegro',\n",
       "  ',',\n",
       "  'looking',\n",
       "  'for',\n",
       "  'good',\n",
       "  'beaches',\n",
       "  ',',\n",
       "  'where',\n",
       "  'should',\n",
       "  'we',\n",
       "  'go',\n",
       "  '?'],\n",
       " ['Travel',\n",
       "  'with',\n",
       "  'a',\n",
       "  'baby',\n",
       "  'from',\n",
       "  'Eindhoven',\n",
       "  'to',\n",
       "  'Maasbree',\n",
       "  'in',\n",
       "  'the',\n",
       "  'Netherlands'],\n",
       " ['Australian', 'drivers', 'licence', 'valid', 'in', 'the', 'US', '?'],\n",
       " ['Sustainable', 'hunting', 'in', 'South-East', 'Asia'],\n",
       " ['How', 'to', 'go', 'on', 'a', 'submarine', 'tour', '?'],\n",
       " ['How', 'to', 'travel', 'as', 'a', 'crew', 'member', 'on', 'a', 'ship', '?'],\n",
       " ['Vaccinations', 'for', 'Beijing'],\n",
       " ['Getting',\n",
       "  'from',\n",
       "  'downtown',\n",
       "  'Vancouver',\n",
       "  'to',\n",
       "  'the',\n",
       "  'Airport',\n",
       "  'on',\n",
       "  'a',\n",
       "  'Friday',\n",
       "  'night'],\n",
       " ['Can',\n",
       "  'I',\n",
       "  'use',\n",
       "  'Korean',\n",
       "  'Air',\n",
       "  \"'s\",\n",
       "  'mileage',\n",
       "  'for',\n",
       "  'Delta',\n",
       "  'domestic',\n",
       "  'flights',\n",
       "  '?'],\n",
       " ['Why',\n",
       "  'airline',\n",
       "  'websites',\n",
       "  'charge',\n",
       "  'more',\n",
       "  'money',\n",
       "  'than',\n",
       "  'discount',\n",
       "  'travel',\n",
       "  'websites'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'data',\n",
       "  'plans',\n",
       "  'for',\n",
       "  'travelers',\n",
       "  'in',\n",
       "  'the',\n",
       "  'USA',\n",
       "  '?'],\n",
       " ['Can',\n",
       "  'I',\n",
       "  'travel',\n",
       "  'from',\n",
       "  'the',\n",
       "  'USA',\n",
       "  'to',\n",
       "  'Spain',\n",
       "  'with',\n",
       "  'a',\n",
       "  'one-way',\n",
       "  'flight',\n",
       "  '?'],\n",
       " ['What', 'clothes', 'should', 'I', 'bring', 'on', 'a', 'backpacking', 'trip'],\n",
       " ['Can',\n",
       "  'a',\n",
       "  'New',\n",
       "  'Zealander',\n",
       "  'get',\n",
       "  'a',\n",
       "  'multi',\n",
       "  'entry',\n",
       "  'visa',\n",
       "  'for',\n",
       "  'Zimbabwe',\n",
       "  'on',\n",
       "  'arival',\n",
       "  '?'],\n",
       " ['Plans',\n",
       "  'for',\n",
       "  'labor',\n",
       "  'day',\n",
       "  'weekend',\n",
       "  '(',\n",
       "  'live',\n",
       "  'in',\n",
       "  'New',\n",
       "  'York',\n",
       "  'City',\n",
       "  ')'],\n",
       " ['Darwin', 'to', 'Timor', 'by', 'boat'],\n",
       " ['What',\n",
       "  'should',\n",
       "  'we',\n",
       "  'plan',\n",
       "  'to',\n",
       "  'see',\n",
       "  'on',\n",
       "  'a',\n",
       "  'weekend',\n",
       "  'in',\n",
       "  'Belfast',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'there',\n",
       "  'any',\n",
       "  'online',\n",
       "  'resource',\n",
       "  'that',\n",
       "  'can',\n",
       "  'tell',\n",
       "  'me',\n",
       "  'what',\n",
       "  'visa',\n",
       "  'rules',\n",
       "  'are',\n",
       "  'for',\n",
       "  'passport',\n",
       "  'holders',\n",
       "  'of',\n",
       "  'a',\n",
       "  'specific',\n",
       "  'country',\n",
       "  '?'],\n",
       " ['Any',\n",
       "  'special',\n",
       "  'requirements',\n",
       "  'in',\n",
       "  'driving',\n",
       "  'from',\n",
       "  'Spain',\n",
       "  'to',\n",
       "  'France',\n",
       "  '?'],\n",
       " ['Does',\n",
       "  'the',\n",
       "  'Ukraine-Georgia',\n",
       "  'ferry',\n",
       "  'go',\n",
       "  'via',\n",
       "  'Russia',\n",
       "  'and',\n",
       "  'if',\n",
       "  'so',\n",
       "  'must',\n",
       "  'I',\n",
       "  'have',\n",
       "  'a',\n",
       "  'Russian',\n",
       "  'visa',\n",
       "  'even',\n",
       "  'if',\n",
       "  'I',\n",
       "  'do',\n",
       "  \"n't\",\n",
       "  'disembark',\n",
       "  '?'],\n",
       " ['3G/4G', 'data', 'plan', 'cost', 'outside', 'your', 'own', 'country'],\n",
       " ['How',\n",
       "  'can',\n",
       "  'I',\n",
       "  'maximize',\n",
       "  'my',\n",
       "  'chances',\n",
       "  'of',\n",
       "  'obtaining',\n",
       "  'a',\n",
       "  'Russian',\n",
       "  'visa',\n",
       "  'outside',\n",
       "  'my',\n",
       "  'home',\n",
       "  'country',\n",
       "  '?'],\n",
       " ['How', 'can', 'I', 'translate', 'medicines', '?'],\n",
       " ['What',\n",
       "  'options',\n",
       "  'are',\n",
       "  'there',\n",
       "  'for',\n",
       "  'a',\n",
       "  '5-hour',\n",
       "  'layover',\n",
       "  'in',\n",
       "  'Kuala',\n",
       "  'Lumpur',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'do',\n",
       "  'I',\n",
       "  'get',\n",
       "  'money',\n",
       "  'back',\n",
       "  'for',\n",
       "  'my',\n",
       "  'foreign',\n",
       "  'coins',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'precautions',\n",
       "  'should',\n",
       "  'travelers',\n",
       "  'take',\n",
       "  'in',\n",
       "  'Spain/France',\n",
       "  '?'],\n",
       " ['Cheap', 'short-term', 'accommodation', 'in', 'downtown', 'Vancouver'],\n",
       " ['How', 'to', 'travel', 'on', 'horseback', '?'],\n",
       " ['What',\n",
       "  'facilities',\n",
       "  'are',\n",
       "  'there',\n",
       "  'in',\n",
       "  'the',\n",
       "  'Thalys',\n",
       "  'Lounge',\n",
       "  'at',\n",
       "  'Brussels',\n",
       "  'Midi',\n",
       "  'station',\n",
       "  '?'],\n",
       " ['Driving',\n",
       "  'from',\n",
       "  'San',\n",
       "  'Antonio',\n",
       "  'to',\n",
       "  'Copan',\n",
       "  'Ruinas',\n",
       "  ',',\n",
       "  'Honduras'],\n",
       " ['Roadtrip', 'in', 'Southeastern', 'Europe'],\n",
       " ['What',\n",
       "  'are',\n",
       "  'some',\n",
       "  'camping',\n",
       "  'tips',\n",
       "  'in',\n",
       "  'general',\n",
       "  'and',\n",
       "  'at',\n",
       "  'East',\n",
       "  'Coast',\n",
       "  'Park',\n",
       "  'in',\n",
       "  'Singapore',\n",
       "  '?'],\n",
       " ['How', 'to', 'avoid', 'getting', 'motion', 'sickness', '?'],\n",
       " ['Is',\n",
       "  'there',\n",
       "  'a',\n",
       "  'hotel',\n",
       "  '/',\n",
       "  'B',\n",
       "  '&',\n",
       "  'B',\n",
       "  'Finder',\n",
       "  'using',\n",
       "  'Google',\n",
       "  'or',\n",
       "  'Bing',\n",
       "  'maps',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'much',\n",
       "  'should',\n",
       "  'a',\n",
       "  'taxi',\n",
       "  'cost',\n",
       "  'from',\n",
       "  'the',\n",
       "  'Romania',\n",
       "  'border',\n",
       "  'to',\n",
       "  'the',\n",
       "  'centre',\n",
       "  'of',\n",
       "  'Ruse',\n",
       "  ',',\n",
       "  'Bulgaria',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'there',\n",
       "  'any',\n",
       "  'way',\n",
       "  'of',\n",
       "  'evaluating',\n",
       "  'the',\n",
       "  'quality',\n",
       "  'of',\n",
       "  'a',\n",
       "  'hotel',\n",
       "  \"'s\",\n",
       "  'internet',\n",
       "  'connection',\n",
       "  'in',\n",
       "  'advance',\n",
       "  '?'],\n",
       " ['My',\n",
       "  'flight',\n",
       "  'back',\n",
       "  'takes',\n",
       "  'off',\n",
       "  'in',\n",
       "  'late',\n",
       "  'evening',\n",
       "  'and',\n",
       "  'might',\n",
       "  'be',\n",
       "  'delayed',\n",
       "  '-',\n",
       "  'which',\n",
       "  'departure',\n",
       "  'date',\n",
       "  'do',\n",
       "  'I',\n",
       "  'specify',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'are',\n",
       "  'some',\n",
       "  'techniques',\n",
       "  'to',\n",
       "  'avoid',\n",
       "  'annoying',\n",
       "  'the',\n",
       "  'travel',\n",
       "  'mate',\n",
       "  '?'],\n",
       " ['Where', 'in', 'the', 'Balkans', 'is', 'free', 'camping', 'permitted', '?'],\n",
       " ['Is',\n",
       "  'there',\n",
       "  'a',\n",
       "  'feasible',\n",
       "  'way',\n",
       "  'to',\n",
       "  'combine',\n",
       "  'hitchhiking',\n",
       "  'and',\n",
       "  'CouchSurfing',\n",
       "  '?'],\n",
       " ['What', 'is', 'the', 'state', 'of', 'train', 'travel', 'in', 'USA', '?'],\n",
       " ['Is',\n",
       "  'there',\n",
       "  'a',\n",
       "  'Sat',\n",
       "  'Nav',\n",
       "  'that',\n",
       "  'works',\n",
       "  'in',\n",
       "  'Israel',\n",
       "  '?',\n",
       "  '(',\n",
       "  'preferably',\n",
       "  'with',\n",
       "  'good',\n",
       "  'coverage',\n",
       "  ')'],\n",
       " ['Are',\n",
       "  'trains',\n",
       "  'stopping',\n",
       "  'between',\n",
       "  'stations',\n",
       "  'to',\n",
       "  'let',\n",
       "  'passengers',\n",
       "  'board/alight',\n",
       "  'just',\n",
       "  'a',\n",
       "  'Canadian',\n",
       "  'thing',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'do',\n",
       "  'I',\n",
       "  'ensure',\n",
       "  'I',\n",
       "  'do',\n",
       "  'not',\n",
       "  'pay',\n",
       "  'out',\n",
       "  'money',\n",
       "  'for',\n",
       "  'tickets',\n",
       "  'that',\n",
       "  'are',\n",
       "  'not',\n",
       "  'usable',\n",
       "  'for',\n",
       "  'other',\n",
       "  'reasons',\n",
       "  '?'],\n",
       " ['When',\n",
       "  'do',\n",
       "  'CIV',\n",
       "  'conditions',\n",
       "  'for',\n",
       "  'delayed',\n",
       "  'travelers',\n",
       "  'apply',\n",
       "  '?'],\n",
       " ['Which',\n",
       "  'transportation',\n",
       "  'is',\n",
       "  'best',\n",
       "  'from',\n",
       "  'Bangkok',\n",
       "  'Suvarnabhumi',\n",
       "  'Airport',\n",
       "  'to',\n",
       "  'Hua',\n",
       "  'Hin',\n",
       "  '?'],\n",
       " ['Where',\n",
       "  'can',\n",
       "  'I',\n",
       "  'find',\n",
       "  'information',\n",
       "  'about',\n",
       "  'the',\n",
       "  'company',\n",
       "  'reference',\n",
       "  'letter',\n",
       "  'requirement',\n",
       "  'for',\n",
       "  'a',\n",
       "  'Schengen',\n",
       "  'visa',\n",
       "  '?'],\n",
       " ['Do',\n",
       "  'US',\n",
       "  'pre-paid',\n",
       "  'GSM',\n",
       "  'sim',\n",
       "  'cards',\n",
       "  'normally',\n",
       "  'work',\n",
       "  'in',\n",
       "  'Canada',\n",
       "  '?'],\n",
       " ['Zadar', 'to', 'Split', 'by', 'Any', 'Means', 'Possible'],\n",
       " ['Volunteering', 'opportunities', 'when', 'travelling', 'overseas'],\n",
       " ['What',\n",
       "  'happens',\n",
       "  'if',\n",
       "  'RFID',\n",
       "  'system',\n",
       "  'in',\n",
       "  'my',\n",
       "  '``',\n",
       "  'biometric',\n",
       "  \"''\",\n",
       "  'travel',\n",
       "  'passport',\n",
       "  'malfunctions',\n",
       "  'when',\n",
       "  'I',\n",
       "  'cross',\n",
       "  'the',\n",
       "  'border',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'the',\n",
       "  'price',\n",
       "  'of',\n",
       "  'ferries',\n",
       "  'between',\n",
       "  'Bulgaria',\n",
       "  'and',\n",
       "  'Georgia',\n",
       "  '?'],\n",
       " ['Should',\n",
       "  'I',\n",
       "  'change',\n",
       "  'most',\n",
       "  'of',\n",
       "  'my',\n",
       "  'money',\n",
       "  'in',\n",
       "  'my',\n",
       "  'home',\n",
       "  'country',\n",
       "  'or',\n",
       "  'in',\n",
       "  'the',\n",
       "  'destination',\n",
       "  'country',\n",
       "  '?',\n",
       "  'baht',\n",
       "  'to',\n",
       "  'canadian',\n",
       "  'dollars',\n",
       "  '...',\n",
       "  '.change',\n",
       "  'in',\n",
       "  'thailand',\n",
       "  'or',\n",
       "  'canada'],\n",
       " ['Buses',\n",
       "  'from',\n",
       "  'Plovdiv',\n",
       "  ',',\n",
       "  'Bulgaria',\n",
       "  'to',\n",
       "  'Istanbul',\n",
       "  ',',\n",
       "  'Turkey'],\n",
       " ['Alarm',\n",
       "  'Clock',\n",
       "  'without',\n",
       "  'Noise',\n",
       "  '?',\n",
       "  'To',\n",
       "  'wake',\n",
       "  'up',\n",
       "  'in',\n",
       "  'common',\n",
       "  'sleeping',\n",
       "  'rooms',\n",
       "  'and',\n",
       "  'airports',\n",
       "  'without',\n",
       "  'noise',\n",
       "  '?'],\n",
       " ['In',\n",
       "  'Bulgaria',\n",
       "  'do',\n",
       "  'fast',\n",
       "  'food',\n",
       "  'chains',\n",
       "  ',',\n",
       "  'convenience',\n",
       "  'stores',\n",
       "  ',',\n",
       "  'or',\n",
       "  'petrol',\n",
       "  'stations',\n",
       "  'typically',\n",
       "  'accept',\n",
       "  'credit',\n",
       "  'cards',\n",
       "  'for',\n",
       "  'small',\n",
       "  'purchases',\n",
       "  '?'],\n",
       " ['Hostel', 'accommodation', 'in', 'Geneva'],\n",
       " ['Can',\n",
       "  'I',\n",
       "  'drink',\n",
       "  'stuff',\n",
       "  'bought',\n",
       "  'in',\n",
       "  'duty-free',\n",
       "  'shops',\n",
       "  'onboard',\n",
       "  'a',\n",
       "  'plane',\n",
       "  '?'],\n",
       " ['Does',\n",
       "  'an',\n",
       "  'EU',\n",
       "  'citizen',\n",
       "  'need',\n",
       "  'a',\n",
       "  'visa',\n",
       "  'to',\n",
       "  'visit',\n",
       "  'Australia',\n",
       "  'for',\n",
       "  'holidays',\n",
       "  '?'],\n",
       " ['Does',\n",
       "  'being',\n",
       "  'granted',\n",
       "  'a',\n",
       "  'Schengen',\n",
       "  'visa',\n",
       "  'and',\n",
       "  'not',\n",
       "  'going',\n",
       "  'have',\n",
       "  'any',\n",
       "  'consequences',\n",
       "  '?'],\n",
       " ['Can', 'I', 'use', 'USD', 'in', 'Canada', '?'],\n",
       " ['Turning', 'off', 'GPS', 'on', 'a', 'flight', '?'],\n",
       " ['Is', 'there', 'a', 'global', 'online', 'resource', 'for', 'campsites', '?'],\n",
       " ['Accommodation', ',', 'sights', 'and', 'food', 'in', 'Maui'],\n",
       " ['Inter-state', 'driving', 'law', 'references'],\n",
       " ['Which',\n",
       "  'Airlines',\n",
       "  'Fly',\n",
       "  'from',\n",
       "  'London',\n",
       "  'to',\n",
       "  'Bangkok',\n",
       "  'AND',\n",
       "  'include',\n",
       "  'Vancouver',\n",
       "  '?',\n",
       "  '(',\n",
       "  'ie',\n",
       "  'trans-Atlantic',\n",
       "  'and',\n",
       "  'Asia-Pacific',\n",
       "  'routes',\n",
       "  ')'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'the',\n",
       "  'most',\n",
       "  'interesting',\n",
       "  'route',\n",
       "  'from',\n",
       "  'Sofia',\n",
       "  ',',\n",
       "  'Bulgaria',\n",
       "  'to',\n",
       "  'northern',\n",
       "  'Albania',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'to',\n",
       "  'collect',\n",
       "  'Oneworld',\n",
       "  'frequent',\n",
       "  'flyer',\n",
       "  'benefits',\n",
       "  'from',\n",
       "  'an',\n",
       "  'RTW',\n",
       "  'trip',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'are',\n",
       "  'the',\n",
       "  'most',\n",
       "  'interesting',\n",
       "  'historical',\n",
       "  'sites',\n",
       "  'to',\n",
       "  'visit',\n",
       "  'in',\n",
       "  'Salt',\n",
       "  'Lake',\n",
       "  'City',\n",
       "  ',',\n",
       "  'Utah',\n",
       "  '?'],\n",
       " ['Getting',\n",
       "  '3rd',\n",
       "  'party',\n",
       "  'car',\n",
       "  'insurance',\n",
       "  'for',\n",
       "  'Iran',\n",
       "  'from',\n",
       "  'Pakistan'],\n",
       " ['Where',\n",
       "  'is',\n",
       "  'the',\n",
       "  'museum',\n",
       "  'of',\n",
       "  'socialist',\n",
       "  'art',\n",
       "  'in',\n",
       "  'Sofia',\n",
       "  ',',\n",
       "  'Bulgaria',\n",
       "  '?'],\n",
       " ['Las', 'Vegas', '-', 'What', 'is', 'good', 'to', 'do', 'there', '?'],\n",
       " ['One-way', 'tickets', 'into', 'the', 'US', 'and', 'Canada', '?'],\n",
       " ['What',\n",
       "  'immunisations',\n",
       "  ',',\n",
       "  'if',\n",
       "  'any',\n",
       "  ',',\n",
       "  'are',\n",
       "  'required',\n",
       "  '/',\n",
       "  'recommended',\n",
       "  'for',\n",
       "  'Thailand',\n",
       "  '?'],\n",
       " ['Any', 'suggestions', 'to', 'ensure', 'safety', 'while', 'hitchhiking', '?'],\n",
       " ['Pass',\n",
       "  'in',\n",
       "  'the',\n",
       "  'Alps',\n",
       "  'that',\n",
       "  'can',\n",
       "  'be',\n",
       "  'crossed',\n",
       "  'by',\n",
       "  'mountain',\n",
       "  'bike',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'can',\n",
       "  'I',\n",
       "  'go',\n",
       "  'from',\n",
       "  'the',\n",
       "  'American',\n",
       "  'side',\n",
       "  'to',\n",
       "  'the',\n",
       "  'Canadian',\n",
       "  'side',\n",
       "  'of',\n",
       "  'Niagara',\n",
       "  'Falls',\n",
       "  '?'],\n",
       " ['Can',\n",
       "  'I',\n",
       "  'take',\n",
       "  'multiple',\n",
       "  'cars',\n",
       "  'into',\n",
       "  'Mexico',\n",
       "  'from',\n",
       "  'the',\n",
       "  'U.S.',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'kind',\n",
       "  'of',\n",
       "  'plug',\n",
       "  'adapter',\n",
       "  'should',\n",
       "  'I',\n",
       "  'use',\n",
       "  'when',\n",
       "  'traveling',\n",
       "  'in',\n",
       "  'Indonesia',\n",
       "  '?'],\n",
       " ['Should',\n",
       "  'US',\n",
       "  'citizens',\n",
       "  'get',\n",
       "  'a',\n",
       "  'visa',\n",
       "  'in',\n",
       "  'advance',\n",
       "  'for',\n",
       "  'a',\n",
       "  'one-week',\n",
       "  'trip',\n",
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       "  'Hong',\n",
       "  'Kong',\n",
       "  '?'],\n",
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       "  'be',\n",
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       "  'when',\n",
       "  'going',\n",
       "  'back',\n",
       "  'to',\n",
       "  'USA',\n",
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       " ['How',\n",
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       "  'travelers',\n",
       "  '?'],\n",
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       "  'the',\n",
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       "  'US',\n",
       "  'airport',\n",
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       "  'online',\n",
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       "  'Diego',\n",
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       "  'from',\n",
       "  'London',\n",
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       "  'companies',\n",
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       "  'to',\n",
       "  'bring',\n",
       "  'from',\n",
       "  'Sweden',\n",
       "  'for',\n",
       "  'CouchSurfing',\n",
       "  'hosts',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'can',\n",
       "  'I',\n",
       "  'book',\n",
       "  'the',\n",
       "  'interrail',\n",
       "  'passholder',\n",
       "  'Eurostar',\n",
       "  'fare',\n",
       "  '?'],\n",
       " ['Europe',\n",
       "  'vacation',\n",
       "  '-',\n",
       "  'best',\n",
       "  'places',\n",
       "  'to',\n",
       "  'see',\n",
       "  'based',\n",
       "  'on',\n",
       "  'certain',\n",
       "  'preferences',\n",
       "  '?'],\n",
       " ['What',\n",
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       "  'the',\n",
       "  'cheapest',\n",
       "  'method',\n",
       "  'to',\n",
       "  'get',\n",
       "  'a',\n",
       "  'flight',\n",
       "  'from',\n",
       "  'Australia',\n",
       "  'to',\n",
       "  'New',\n",
       "  'Zealand',\n",
       "  '?'],\n",
       " ['Forgot',\n",
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       "  'at',\n",
       "  'Dubai',\n",
       "  '.',\n",
       "  'How',\n",
       "  'to',\n",
       "  'get',\n",
       "  'it',\n",
       "  'to',\n",
       "  'Los',\n",
       "  'Angeles',\n",
       "  '?'],\n",
       " ['Hostel', 'location', 'in', 'Vancouver'],\n",
       " ['Are', 'there', 'any', 'trans-Pacific', 'budget', 'airlines', '?'],\n",
       " ['Will',\n",
       "  'Nagorno-Karabakh',\n",
       "  'put',\n",
       "  'my',\n",
       "  'entry/exits',\n",
       "  'stamps',\n",
       "  'on',\n",
       "  'a',\n",
       "  'separate',\n",
       "  'piece',\n",
       "  'of',\n",
       "  'paper',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'the',\n",
       "  'best',\n",
       "  'company',\n",
       "  'to',\n",
       "  'go',\n",
       "  'through',\n",
       "  'for',\n",
       "  'climbing',\n",
       "  'Mt',\n",
       "  '.',\n",
       "  'Rainier',\n",
       "  '?'],\n",
       " ['Sightseeing', 'and', 'food', 'in', 'Riga'],\n",
       " ['Hostels', 'in', 'US', 'vs.', 'Europe'],\n",
       " ['Does',\n",
       "  'the',\n",
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       "  'pass',\n",
       "  'cover',\n",
       "  'trains',\n",
       "  'between',\n",
       "  'Paris',\n",
       "  'Gare',\n",
       "  'du',\n",
       "  'Nord',\n",
       "  'and',\n",
       "  'Franconville',\n",
       "  '?'],\n",
       " ['Is', 'Honduras', 'good', 'for', 'backpackers', '?'],\n",
       " ['What',\n",
       "  'is',\n",
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       "  'cheapest',\n",
       "  'and',\n",
       "  'most',\n",
       "  'efficient',\n",
       "  'way',\n",
       "  'to',\n",
       "  'travel',\n",
       "  'around',\n",
       "  'Jamaica',\n",
       "  '?'],\n",
       " ['What',\n",
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       "  'the',\n",
       "  'cheapest',\n",
       "  'time',\n",
       "  'of',\n",
       "  'year',\n",
       "  'to',\n",
       "  'fly',\n",
       "  'from',\n",
       "  'New',\n",
       "  'York',\n",
       "  'to',\n",
       "  'San',\n",
       "  'Jose/San',\n",
       "  'Francisco',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'best',\n",
       "  'for',\n",
       "  'Canadians',\n",
       "  'to',\n",
       "  'get',\n",
       "  'an',\n",
       "  'Egyptian',\n",
       "  'visa',\n",
       "  'in',\n",
       "  'advance',\n",
       "  'or',\n",
       "  'at',\n",
       "  'the',\n",
       "  'Cairo',\n",
       "  'airport',\n",
       "  '?'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'ski',\n",
       "  'resorts',\n",
       "  'that',\n",
       "  'you',\n",
       "  'can',\n",
       "  'drive',\n",
       "  'to',\n",
       "  'in',\n",
       "  'an',\n",
       "  'evening',\n",
       "  'from',\n",
       "  'Atlanta',\n",
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       "  'GA',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'ski',\n",
       "  'resort',\n",
       "  'in',\n",
       "  'the',\n",
       "  'US/Canada',\n",
       "  'is',\n",
       "  'reachable',\n",
       "  'from',\n",
       "  'Europe',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'the',\n",
       "  'best',\n",
       "  'way',\n",
       "  'to',\n",
       "  'fit',\n",
       "  'the',\n",
       "  'sites',\n",
       "  'I',\n",
       "  'want',\n",
       "  'to',\n",
       "  'see',\n",
       "  'in',\n",
       "  'Rome',\n",
       "  'into',\n",
       "  'two',\n",
       "  'days',\n",
       "  '?'],\n",
       " ['What',\n",
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       "  'the',\n",
       "  'best',\n",
       "  'ways',\n",
       "  'to',\n",
       "  'prevent',\n",
       "  'and/or',\n",
       "  'relieve',\n",
       "  'sand',\n",
       "  'fly',\n",
       "  'bites',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'the',\n",
       "  'Cathay',\n",
       "  'Pacific',\n",
       "  'Marco',\n",
       "  'Polo',\n",
       "  'Club',\n",
       "  'mileage',\n",
       "  'multiplier',\n",
       "  'for',\n",
       "  'Premium',\n",
       "  'Economy',\n",
       "  '?'],\n",
       " ['Cheap', 'pre-pay', 'sim', 'in', 'Canada', '?'],\n",
       " ['Cheapest',\n",
       "  'way',\n",
       "  'to',\n",
       "  'get',\n",
       "  'from',\n",
       "  'Zürich',\n",
       "  '(',\n",
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       "  ')',\n",
       "  'to',\n",
       "  'Brussels',\n",
       "  '(',\n",
       "  'Belgium',\n",
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       " ['Is', 'Jat', 'Airways', 'reliable', '?'],\n",
       " ['Finding', 'a', 'notary', 'in', 'France', '/', 'Italy'],\n",
       " ['How', 'to', 'split', 'time', 'between', 'Berlin', 'and', 'Prague', '?'],\n",
       " ['Visit',\n",
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       "  'Ontario',\n",
       "  'from',\n",
       "  'Toronto',\n",
       "  'without',\n",
       "  'a',\n",
       "  'car',\n",
       "  '?'],\n",
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       "  'anyone',\n",
       "  'know',\n",
       "  'where',\n",
       "  'to',\n",
       "  'hire',\n",
       "  'a',\n",
       "  'car',\n",
       "  'camper',\n",
       "  '(',\n",
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       "  'a',\n",
       "  'campervan',\n",
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       "  'in',\n",
       "  'Australia',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'currently',\n",
       "  'possible',\n",
       "  'to',\n",
       "  'drive',\n",
       "  'from',\n",
       "  'Durrës',\n",
       "  'to',\n",
       "  'Berat',\n",
       "  'in',\n",
       "  'Albania',\n",
       "  'on',\n",
       "  'the',\n",
       "  'SH',\n",
       "  '4',\n",
       "  '?'],\n",
       " ['Which',\n",
       "  'are',\n",
       "  'places',\n",
       "  'in',\n",
       "  'Germany',\n",
       "  'that',\n",
       "  'a',\n",
       "  'traveler',\n",
       "  'should',\n",
       "  'visit',\n",
       "  '?'],\n",
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       "  'I',\n",
       "  'make',\n",
       "  'reservations',\n",
       "  'for',\n",
       "  'trains',\n",
       "  'in',\n",
       "  'Italy',\n",
       "  ',',\n",
       "  'France',\n",
       "  'and',\n",
       "  'Belgium',\n",
       "  'from',\n",
       "  'the',\n",
       "  'Bahn',\n",
       "  'ticket',\n",
       "  'desks',\n",
       "  'in',\n",
       "  'Germany',\n",
       "  '?'],\n",
       " ['Re-entering',\n",
       "  'on',\n",
       "  'the',\n",
       "  'Visa',\n",
       "  'Waiver',\n",
       "  'Program',\n",
       "  'for',\n",
       "  'the',\n",
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       "  'are',\n",
       "  'our',\n",
       "  'visa',\n",
       "  'options',\n",
       "  'for',\n",
       "  'staying',\n",
       "  'in',\n",
       "  'Costa',\n",
       "  'Rica',\n",
       "  '?'],\n",
       " ['Can', 'I', 'read', 'my', 'Gmail', 'while', 'traveling', 'in', 'China', '?'],\n",
       " ['Do', 'all', 'German', 'airports', 'lack', 'free', 'wifi', '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'normal',\n",
       "  'for',\n",
       "  'Swedish',\n",
       "  'long-distance',\n",
       "  'bus/coach',\n",
       "  'drivers',\n",
       "  'not',\n",
       "  'to',\n",
       "  'count',\n",
       "  'for',\n",
       "  'missing',\n",
       "  'passengers',\n",
       "  'after',\n",
       "  'rest',\n",
       "  'stops',\n",
       "  '?'],\n",
       " ['Best', 'inside', 'tip', 'for', 'Liechtenstein', '?'],\n",
       " ['I',\n",
       "  \"'d\",\n",
       "  'like',\n",
       "  'to',\n",
       "  'go',\n",
       "  'on',\n",
       "  'a',\n",
       "  'moose',\n",
       "  'safari',\n",
       "  'in',\n",
       "  'Sweden',\n",
       "  '.',\n",
       "  'What',\n",
       "  'are',\n",
       "  'my',\n",
       "  'options',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'possible',\n",
       "  'to',\n",
       "  'tour',\n",
       "  'the',\n",
       "  'facility',\n",
       "  'where',\n",
       "  'Kahlúa',\n",
       "  'is',\n",
       "  'made',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'should',\n",
       "  'I',\n",
       "  'go',\n",
       "  'about',\n",
       "  'finding',\n",
       "  'the',\n",
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       "  'national',\n",
       "  'dish',\n",
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       "  'tavë',\n",
       "  'kosi',\n",
       "  '?'],\n",
       " ['Exiting',\n",
       "  'Vancouver',\n",
       "  'airport',\n",
       "  'during',\n",
       "  'a',\n",
       "  'flight',\n",
       "  'connection',\n",
       "  'with',\n",
       "  'New',\n",
       "  'Zealand',\n",
       "  'passport'],\n",
       " ['What', 'exactly', 'is', 'allemansrätten', 'in', 'Sweden', '?'],\n",
       " ['How',\n",
       "  'good',\n",
       "  'are',\n",
       "  'Aeroflot',\n",
       "  \"'s\",\n",
       "  'current',\n",
       "  'safety',\n",
       "  'and',\n",
       "  'performance',\n",
       "  'standards',\n",
       "  '?'],\n",
       " ['How', 'to', 'prevent', '``', 'Delhi', 'Belly', \"''\", '?'],\n",
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       "  'to',\n",
       "  'find',\n",
       "  'an',\n",
       "  'appropriate',\n",
       "  'frequent',\n",
       "  'flyer',\n",
       "  'program',\n",
       "  '?'],\n",
       " ['Where',\n",
       "  'can',\n",
       "  'I',\n",
       "  'go',\n",
       "  'with',\n",
       "  'an',\n",
       "  'Irish',\n",
       "  'visa',\n",
       "  'but',\n",
       "  'without',\n",
       "  'a',\n",
       "  'Schengen',\n",
       "  'visa',\n",
       "  '?'],\n",
       " ['Can',\n",
       "  'I',\n",
       "  'apply',\n",
       "  'for',\n",
       "  'an',\n",
       "  'Iranian',\n",
       "  'visa',\n",
       "  'in',\n",
       "  'the',\n",
       "  'Republic',\n",
       "  'of',\n",
       "  'Georgia',\n",
       "  '?'],\n",
       " ['Where',\n",
       "  'can',\n",
       "  'I',\n",
       "  'find',\n",
       "  'and',\n",
       "  'book',\n",
       "  'plane',\n",
       "  'tickets',\n",
       "  'on',\n",
       "  'date',\n",
       "  'not',\n",
       "  'on',\n",
       "  'destination',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'safe',\n",
       "  'to',\n",
       "  'travel',\n",
       "  'to',\n",
       "  'Egypt',\n",
       "  'in',\n",
       "  'early',\n",
       "  '2012',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'should',\n",
       "  'you',\n",
       "  'do',\n",
       "  'if',\n",
       "  'you',\n",
       "  'get',\n",
       "  'arrested',\n",
       "  'in',\n",
       "  'a',\n",
       "  'foreign',\n",
       "  'country',\n",
       "  '?'],\n",
       " ['Help',\n",
       "  'remembering',\n",
       "  'name',\n",
       "  'of',\n",
       "  'hotel',\n",
       "  'in',\n",
       "  'near',\n",
       "  'Łódź',\n",
       "  ',',\n",
       "  'Poland',\n",
       "  '?'],\n",
       " ['Data', 'connection', 'while', 'in', 'Israel'],\n",
       " ['What',\n",
       "  \"'s\",\n",
       "  'the',\n",
       "  'address',\n",
       "  'of',\n",
       "  'this',\n",
       "  'guesthouse',\n",
       "  'in',\n",
       "  'Bulgaria',\n",
       "  '?'],\n",
       " ['Winter', 'apparel', 'for', 'Europe', '(', 'November-December', ')'],\n",
       " ['Will',\n",
       "  'I',\n",
       "  'need',\n",
       "  'to',\n",
       "  'take',\n",
       "  'special',\n",
       "  'precautions',\n",
       "  'for',\n",
       "  'spending',\n",
       "  'the',\n",
       "  'winter',\n",
       "  'in',\n",
       "  'Tbilisi',\n",
       "  ',',\n",
       "  'Georgia',\n",
       "  '?'],\n",
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       "  'it',\n",
       "  'easier',\n",
       "  'and/or',\n",
       "  'cheaper',\n",
       "  'to',\n",
       "  'replace',\n",
       "  'my',\n",
       "  'lost',\n",
       "  'tent',\n",
       "  'in',\n",
       "  'Albania',\n",
       "  'or',\n",
       "  'Greece',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'meteorological',\n",
       "  'conditions',\n",
       "  'do',\n",
       "  'I',\n",
       "  'need',\n",
       "  'to',\n",
       "  'consider',\n",
       "  'when',\n",
       "  'travelling',\n",
       "  'to',\n",
       "  'a',\n",
       "  'new',\n",
       "  'place',\n",
       "  '?'],\n",
       " ['Which', 'area', 'is', 'London', \"'s\", 'Wentworth', 'Street', 'based', '?'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'some',\n",
       "  'bargain',\n",
       "  'accommodations',\n",
       "  'along',\n",
       "  'the',\n",
       "  'land',\n",
       "  'route',\n",
       "  'from',\n",
       "  'the',\n",
       "  'southern',\n",
       "  'tip',\n",
       "  'of',\n",
       "  'Albania',\n",
       "  'to',\n",
       "  'Thessaloniki',\n",
       "  '?'],\n",
       " ['Can', 'I', 'cross', 'the', 'Albania/Greece', 'border', 'on', 'foot', '?'],\n",
       " ['Free',\n",
       "  'Wi-Fi',\n",
       "  '/',\n",
       "  'available',\n",
       "  'power',\n",
       "  '/',\n",
       "  'cashless',\n",
       "  'food',\n",
       "  'facilities',\n",
       "  'in',\n",
       "  'LAX',\n",
       "  'airport',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'kind',\n",
       "  'of',\n",
       "  'clothes',\n",
       "  'and',\n",
       "  'footwear',\n",
       "  'are',\n",
       "  'ideal',\n",
       "  'to',\n",
       "  'visit',\n",
       "  'Egypt',\n",
       "  '?'],\n",
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       "  'it',\n",
       "  'technically',\n",
       "  'illegal',\n",
       "  'for',\n",
       "  'US',\n",
       "  'citizens',\n",
       "  'to',\n",
       "  'visit',\n",
       "  'Cuba',\n",
       "  '?'],\n",
       " ['Flying',\n",
       "  'within',\n",
       "  'the',\n",
       "  'United',\n",
       "  'States',\n",
       "  ',',\n",
       "  'Passport',\n",
       "  'required',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'might',\n",
       "  'be',\n",
       "  'the',\n",
       "  'cheapest',\n",
       "  'ferry',\n",
       "  'connection',\n",
       "  'from',\n",
       "  'near',\n",
       "  'Athens',\n",
       "  'to',\n",
       "  'anywhere',\n",
       "  'in',\n",
       "  'Turkey',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'much',\n",
       "  'should',\n",
       "  'a',\n",
       "  'taxi',\n",
       "  'between',\n",
       "  'Budapest',\n",
       "  'airport',\n",
       "  'and',\n",
       "  'Szechenyi',\n",
       "  'Baths',\n",
       "  'cost',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'to',\n",
       "  'calculate',\n",
       "  'the',\n",
       "  'air-line',\n",
       "  'distance',\n",
       "  'between',\n",
       "  'two',\n",
       "  'places',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'to',\n",
       "  'plan',\n",
       "  'routes',\n",
       "  'that',\n",
       "  'are',\n",
       "  \"n't\",\n",
       "  'covered',\n",
       "  'by',\n",
       "  'Google',\n",
       "  'Maps',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'affordable',\n",
       "  'beachfront',\n",
       "  'hotels',\n",
       "  'in',\n",
       "  'or',\n",
       "  'near',\n",
       "  'San',\n",
       "  'Diego',\n",
       "  'should',\n",
       "  'I',\n",
       "  'consider',\n",
       "  '?'],\n",
       " ['Do',\n",
       "  'you',\n",
       "  'need',\n",
       "  'seperate',\n",
       "  'visa',\n",
       "  'for',\n",
       "  'your',\n",
       "  'children',\n",
       "  'if',\n",
       "  'they',\n",
       "  'are',\n",
       "  'registered',\n",
       "  'in',\n",
       "  'your',\n",
       "  'passport'],\n",
       " ['Where',\n",
       "  'could',\n",
       "  'I',\n",
       "  'get',\n",
       "  'away',\n",
       "  'with',\n",
       "  'free',\n",
       "  'camping',\n",
       "  'on',\n",
       "  'Corfu',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'really',\n",
       "  'forbidden',\n",
       "  'to',\n",
       "  'cross',\n",
       "  'the',\n",
       "  'Indian',\n",
       "  'border',\n",
       "  'with',\n",
       "  'Indian',\n",
       "  'rupee',\n",
       "  '?'],\n",
       " ['Recommendations', 'For', 'a', 'Hotel', '-', 'Venice', ',', 'Italy'],\n",
       " ['Where',\n",
       "  'can',\n",
       "  'I',\n",
       "  'rent',\n",
       "  'a',\n",
       "  'car',\n",
       "  'in',\n",
       "  'French',\n",
       "  'Guiana',\n",
       "  'to',\n",
       "  'cross',\n",
       "  'to',\n",
       "  'Suriname/Brazil',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'there',\n",
       "  'a',\n",
       "  'map',\n",
       "  'with',\n",
       "  'the',\n",
       "  'most',\n",
       "  'popular',\n",
       "  'natural',\n",
       "  'attractions',\n",
       "  'on',\n",
       "  'it',\n",
       "  '?'],\n",
       " ['Choices',\n",
       "  'for',\n",
       "  'prepaid',\n",
       "  'GSM',\n",
       "  'data',\n",
       "  'with',\n",
       "  'laptop',\n",
       "  'tethering',\n",
       "  'in',\n",
       "  'Europe',\n",
       "  '?'],\n",
       " ['Clubbing', 'in', 'Liverpool'],\n",
       " ['Is',\n",
       "  'Tokyo',\n",
       "  'Metro',\n",
       "  'accessible',\n",
       "  'to',\n",
       "  'people',\n",
       "  'with',\n",
       "  'movement',\n",
       "  'disabilities',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'OK',\n",
       "  'to',\n",
       "  'take',\n",
       "  'a',\n",
       "  'disposable',\n",
       "  'safety',\n",
       "  'razor',\n",
       "  'on',\n",
       "  'a',\n",
       "  'plane',\n",
       "  '?'],\n",
       " ['Suggestions',\n",
       "  'Regarding',\n",
       "  'Roadtrip',\n",
       "  'from',\n",
       "  'Milwaukee',\n",
       "  'to',\n",
       "  'Niagara',\n",
       "  'Falls'],\n",
       " ['What',\n",
       "  \"'s\",\n",
       "  'the',\n",
       "  'absolute',\n",
       "  'cheapest',\n",
       "  'accommodation',\n",
       "  'in',\n",
       "  'Ioannina',\n",
       "  'Greece',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'there',\n",
       "  'a',\n",
       "  'site',\n",
       "  'like',\n",
       "  'Jetsetter',\n",
       "  'for',\n",
       "  'France/Europe',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'are',\n",
       "  'the',\n",
       "  'best',\n",
       "  'day-trips',\n",
       "  'for',\n",
       "  'a',\n",
       "  'single',\n",
       "  'traveler',\n",
       "  'staying',\n",
       "  'in',\n",
       "  'Cairo',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'are',\n",
       "  'the',\n",
       "  'bus',\n",
       "  '(',\n",
       "  'coach',\n",
       "  ')',\n",
       "  'connections',\n",
       "  'from',\n",
       "  'Thessaloniki',\n",
       "  ',',\n",
       "  'Greece',\n",
       "  'to',\n",
       "  'Tbilisi',\n",
       "  ',',\n",
       "  'Georgia',\n",
       "  '?'],\n",
       " ['What', 'is', 'this', 'monument', 'in', 'Tallinn', 'called', '?'],\n",
       " ['How',\n",
       "  'useful',\n",
       "  'or',\n",
       "  'necessary',\n",
       "  'is',\n",
       "  'a',\n",
       "  'pacsafe',\n",
       "  'for',\n",
       "  'your',\n",
       "  'backpack',\n",
       "  '?'],\n",
       " ['Which', 'places', 'would', 'require', 'hiking', 'boots', '?'],\n",
       " ['Germany',\n",
       "  ',',\n",
       "  'Switzerland',\n",
       "  ',',\n",
       "  'Czech',\n",
       "  'Republic',\n",
       "  '-',\n",
       "  'Suggestions',\n",
       "  'for',\n",
       "  '3',\n",
       "  'week',\n",
       "  'vacation'],\n",
       " ['What', 'to', 'wear', 'in', 'Ireland', 'at', 'winter'],\n",
       " ['Does',\n",
       "  'it',\n",
       "  'makes',\n",
       "  'sense',\n",
       "  'to',\n",
       "  'travel',\n",
       "  'to',\n",
       "  'Iceland',\n",
       "  'during',\n",
       "  'winter',\n",
       "  '?'],\n",
       " ['It', 'is', 'safe', 'to', 'travel', 'in', 'Israel', 'and', 'Palestine', '?'],\n",
       " ['What',\n",
       "  \"'s\",\n",
       "  'the',\n",
       "  'best',\n",
       "  'survival',\n",
       "  'strategy',\n",
       "  'for',\n",
       "  'Running',\n",
       "  'With',\n",
       "  'the',\n",
       "  'Bulls',\n",
       "  '?'],\n",
       " ['How', 'much', 'money', 'can', 'you', 'take', 'into', 'Canada', '?'],\n",
       " ['What',\n",
       "  'are',\n",
       "  'some',\n",
       "  'good',\n",
       "  'shoe',\n",
       "  'options',\n",
       "  'for',\n",
       "  'a',\n",
       "  'RTW',\n",
       "  'trip',\n",
       "  '?'],\n",
       " ['Long',\n",
       "  'term',\n",
       "  'travel',\n",
       "  'without',\n",
       "  'being',\n",
       "  'wealthy',\n",
       "  '-',\n",
       "  'how',\n",
       "  'is',\n",
       "  'it',\n",
       "  'possible',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'publicly',\n",
       "  'accessible',\n",
       "  'tall',\n",
       "  'structures',\n",
       "  'to',\n",
       "  'take',\n",
       "  'photos',\n",
       "  'from',\n",
       "  'exist',\n",
       "  'in',\n",
       "  'London',\n",
       "  '?'],\n",
       " ['Is', 'the', 'TSA', 'Lock', 'acceptable', 'in', 'European', 'Airports', '?'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'the',\n",
       "  'actual',\n",
       "  'price',\n",
       "  'of',\n",
       "  'hiring',\n",
       "  'a',\n",
       "  'porter',\n",
       "  'for',\n",
       "  'Everest',\n",
       "  'base',\n",
       "  'camp',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'there',\n",
       "  'any',\n",
       "  'possibility',\n",
       "  'to',\n",
       "  'view',\n",
       "  'London',\n",
       "  'from',\n",
       "  '``',\n",
       "  'The',\n",
       "  'Gherkin',\n",
       "  \"''\",\n",
       "  '?'],\n",
       " ['Can',\n",
       "  'I',\n",
       "  'view',\n",
       "  'London',\n",
       "  'from',\n",
       "  'the',\n",
       "  'top',\n",
       "  'of',\n",
       "  'its',\n",
       "  'tallest',\n",
       "  'building',\n",
       "  '?'],\n",
       " ['2FABE',\n",
       "  '-',\n",
       "  'the',\n",
       "  \"'secret\",\n",
       "  \"'\",\n",
       "  'international',\n",
       "  'travel',\n",
       "  'postcard',\n",
       "  'stamp',\n",
       "  'code',\n",
       "  '?'],\n",
       " ['Flight', 'from', 'USA', 'to', 'Europe', 'in', 'March', '2012'],\n",
       " ['What',\n",
       "  'parts',\n",
       "  'of',\n",
       "  'the',\n",
       "  'Central',\n",
       "  'or',\n",
       "  'South',\n",
       "  'Coast',\n",
       "  'of',\n",
       "  'California',\n",
       "  'should',\n",
       "  'I',\n",
       "  'consider',\n",
       "  'when',\n",
       "  'looking',\n",
       "  'for',\n",
       "  'a',\n",
       "  'surfing',\n",
       "  'beach',\n",
       "  'with',\n",
       "  'beachfront',\n",
       "  'hotels',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'can',\n",
       "  'I',\n",
       "  'get',\n",
       "  'people',\n",
       "  'to',\n",
       "  'speak',\n",
       "  'the',\n",
       "  'local',\n",
       "  'language',\n",
       "  'to',\n",
       "  'me',\n",
       "  '?'],\n",
       " ['Where', 'to', 'stay', 'for', 'London', 'nightlife', '?'],\n",
       " ['How', 'do', 'you', 'prepare', 'for', 'long', 'haul', 'flights', '?'],\n",
       " ['What',\n",
       "  '3G',\n",
       "  'standard',\n",
       "  'is',\n",
       "  'used',\n",
       "  'in',\n",
       "  'Egypt',\n",
       "  ',',\n",
       "  'and',\n",
       "  'how',\n",
       "  'much',\n",
       "  'does',\n",
       "  'it',\n",
       "  'cost',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'to',\n",
       "  'find',\n",
       "  'what',\n",
       "  'are',\n",
       "  'the',\n",
       "  'dominant',\n",
       "  'safety',\n",
       "  'concerns',\n",
       "  'a',\n",
       "  'tourist',\n",
       "  'should',\n",
       "  'have',\n",
       "  'in',\n",
       "  'a',\n",
       "  'country',\n",
       "  '?'],\n",
       " ['Electronics',\n",
       "  'in',\n",
       "  'sealed',\n",
       "  'box',\n",
       "  'as',\n",
       "  'carry-on',\n",
       "  'luggage',\n",
       "  ':',\n",
       "  'issues',\n",
       "  'at',\n",
       "  'security',\n",
       "  '?'],\n",
       " ['Please',\n",
       "  'help',\n",
       "  'me',\n",
       "  'understand',\n",
       "  'this',\n",
       "  'Deutsche',\n",
       "  'Bahn',\n",
       "  'schedule',\n",
       "  'from',\n",
       "  'Prague',\n",
       "  'to',\n",
       "  'Vienna'],\n",
       " ['How',\n",
       "  'difficult',\n",
       "  'is',\n",
       "  'it',\n",
       "  'to',\n",
       "  'find',\n",
       "  'accommodation',\n",
       "  'in',\n",
       "  'South',\n",
       "  'Africa',\n",
       "  'in',\n",
       "  'December',\n",
       "  '/',\n",
       "  'January',\n",
       "  '?'],\n",
       " ['Itineraries', 'in', 'South', 'Africa', '(', '+/-', '2', 'Weeks', ')'],\n",
       " ['Which',\n",
       "  'airlines',\n",
       "  'allow',\n",
       "  'in-cabin',\n",
       "  'pets',\n",
       "  'on',\n",
       "  'transatlantic',\n",
       "  'flights',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'are',\n",
       "  'some',\n",
       "  'unique',\n",
       "  'opportunities',\n",
       "  'and',\n",
       "  'lodging',\n",
       "  'in',\n",
       "  'Siwa',\n",
       "  'Oasis',\n",
       "  ',',\n",
       "  'Egypt',\n",
       "  '?'],\n",
       " ['How', 'can', 'I', 'find', 'Turkish', 'truck', 'stops', 'in', 'Greece', '?'],\n",
       " ['Leaving', 'airport', 'international', 'zone', 'for', 'a', 'moment'],\n",
       " ['Which',\n",
       "  'of',\n",
       "  'the',\n",
       "  'many',\n",
       "  'Stepwells',\n",
       "  'in',\n",
       "  'India',\n",
       "  'are',\n",
       "  'worth',\n",
       "  'a',\n",
       "  'visit',\n",
       "  '?'],\n",
       " ['Air', 'New', 'Zealand', \"'s\", 'policy', 'on', 'obese', 'passengers'],\n",
       " ['Can', 'you', 'use', 'a', 'kindle', 'as', 'a', 'boarding', 'pass', '?'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'money',\n",
       "  'changing',\n",
       "  'facilities',\n",
       "  'at',\n",
       "  'the',\n",
       "  'Turkey/Georgia',\n",
       "  'border',\n",
       "  ',',\n",
       "  'and',\n",
       "  'how',\n",
       "  'good',\n",
       "  'are',\n",
       "  'they',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'can',\n",
       "  'I',\n",
       "  'travel',\n",
       "  'via',\n",
       "  'not-regularly-scheduled',\n",
       "  'aircraft',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'strict',\n",
       "  'is',\n",
       "  'Lufthansa',\n",
       "  'about',\n",
       "  'pet',\n",
       "  'carrier',\n",
       "  'dimensions',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'an',\n",
       "  'easy',\n",
       "  'way',\n",
       "  'to',\n",
       "  'see',\n",
       "  'what',\n",
       "  'routes',\n",
       "  'are',\n",
       "  'available',\n",
       "  'from',\n",
       "  'a',\n",
       "  'given',\n",
       "  'airport',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'one-day',\n",
       "  'trips',\n",
       "  'are',\n",
       "  'available',\n",
       "  'from',\n",
       "  'Zurich',\n",
       "  '(',\n",
       "  'Switzerland',\n",
       "  ')',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'there',\n",
       "  'a',\n",
       "  'routes',\n",
       "  'site',\n",
       "  'that',\n",
       "  'works',\n",
       "  'properly',\n",
       "  'for',\n",
       "  'the',\n",
       "  'Republic',\n",
       "  'of',\n",
       "  'Georgia',\n",
       "  '?'],\n",
       " ['What', \"'s\", 'the', 'deepest', 'underwater', 'tour', 'available', '?'],\n",
       " ['Is',\n",
       "  'there',\n",
       "  'a',\n",
       "  'website',\n",
       "  'or',\n",
       "  'list',\n",
       "  'somewhere',\n",
       "  'of',\n",
       "  'which',\n",
       "  'countries',\n",
       "  'need',\n",
       "  'a',\n",
       "  'full',\n",
       "  'page',\n",
       "  'of',\n",
       "  'a',\n",
       "  'passport',\n",
       "  'to',\n",
       "  'issue',\n",
       "  'a',\n",
       "  'visa',\n",
       "  '?'],\n",
       " ['Does',\n",
       "  'an',\n",
       "  'Azeri',\n",
       "  'visa',\n",
       "  'cost',\n",
       "  '$',\n",
       "  '100',\n",
       "  'for',\n",
       "  'an',\n",
       "  'Australian',\n",
       "  'citizen',\n",
       "  'no',\n",
       "  'matter',\n",
       "  'how',\n",
       "  'they',\n",
       "  'get',\n",
       "  'it',\n",
       "  '?'],\n",
       " ['What',\n",
       "  \"'s\",\n",
       "  'roughly',\n",
       "  'the',\n",
       "  'lowest',\n",
       "  'price',\n",
       "  'range',\n",
       "  'for',\n",
       "  'accommodation',\n",
       "  'in',\n",
       "  'Nakhchivan',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'can',\n",
       "  'I',\n",
       "  'find',\n",
       "  'out',\n",
       "  'which',\n",
       "  'platform',\n",
       "  'my',\n",
       "  'train',\n",
       "  'leaves',\n",
       "  'from',\n",
       "  'in',\n",
       "  'Brussels',\n",
       "  'Midi',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'can',\n",
       "  'I',\n",
       "  'do',\n",
       "  'to',\n",
       "  'prevent',\n",
       "  'passport',\n",
       "  'stamps',\n",
       "  'being',\n",
       "  'put',\n",
       "  'on',\n",
       "  'blank',\n",
       "  'pages',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'was',\n",
       "  'that',\n",
       "  'grand',\n",
       "  'unfinished',\n",
       "  'opera',\n",
       "  'house',\n",
       "  'in',\n",
       "  'Chicago',\n",
       "  'called',\n",
       "  '...',\n",
       "  '?'],\n",
       " ['Shipping', 'a', 'computer', 'from', 'Europe', 'to', 'the', 'U.S'],\n",
       " ['Flight',\n",
       "  'tickets',\n",
       "  ':',\n",
       "  'buy',\n",
       "  'two',\n",
       "  'weeks',\n",
       "  'before',\n",
       "  'even',\n",
       "  'during',\n",
       "  'holiday',\n",
       "  'seasons',\n",
       "  '?'],\n",
       " ['Interesting',\n",
       "  'computer',\n",
       "  'history',\n",
       "  'museum',\n",
       "  'in',\n",
       "  'Central',\n",
       "  'Europe',\n",
       "  '?'],\n",
       " ['Accommodation', 'in', 'Tokyo', 'for', 'a', 'party', 'of', 'four'],\n",
       " ['Travelling', 'between', 'Japan', 'and', 'South', 'Korea'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'the',\n",
       "  'connecting',\n",
       "  'time',\n",
       "  'to',\n",
       "  'consider',\n",
       "  'for',\n",
       "  'International',\n",
       "  'to',\n",
       "  'International',\n",
       "  'Transfers',\n",
       "  'in',\n",
       "  'US',\n",
       "  'Airports',\n",
       "  '?'],\n",
       " ['Martina',\n",
       "  'Bekereja',\n",
       "  ':',\n",
       "  'How',\n",
       "  'to',\n",
       "  'find',\n",
       "  'them',\n",
       "  'in',\n",
       "  'Latvia',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'to',\n",
       "  'determine',\n",
       "  'if',\n",
       "  'a',\n",
       "  'hostel',\n",
       "  'room',\n",
       "  'is',\n",
       "  'a',\n",
       "  'walk-through',\n",
       "  'room',\n",
       "  '?'],\n",
       " ['Rent', 'a', 'car', 'in', 'Poland', 'without', 'a', 'credit', 'card'],\n",
       " ['Overview', 'of', 'wireless', 'in', 'airports', '?'],\n",
       " ['How', 'to', 'cope', 'with', 'disgusting', 'fellow', 'travellers', '?'],\n",
       " ['Sydney–Melbourne', 'by', 'other', 'means', 'than', 'flying'],\n",
       " ['Additional', 'cabin', 'handbag', 'on', 'flights'],\n",
       " ['Venice', 'Marco', 'Polo', 'Airport', 'to', 'Venice'],\n",
       " ['Where',\n",
       "  'can',\n",
       "  'you',\n",
       "  'go',\n",
       "  'lake',\n",
       "  'ice',\n",
       "  'skating',\n",
       "  'in',\n",
       "  'Southern',\n",
       "  'Sweden',\n",
       "  '?'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'any',\n",
       "  'natural',\n",
       "  'outdoor',\n",
       "  'ice',\n",
       "  'skating',\n",
       "  'locations',\n",
       "  'in',\n",
       "  'Australia',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'technique',\n",
       "  'do',\n",
       "  'you',\n",
       "  'use',\n",
       "  'to',\n",
       "  'remember',\n",
       "  'city',\n",
       "  'names',\n",
       "  'in',\n",
       "  'foreign',\n",
       "  'languages',\n",
       "  '?'],\n",
       " ['Detailed', 'information', 'about', 'the', 'Habo', 'church'],\n",
       " ['Getting', 'from', 'Skövde', 'to', 'Jönköping', '?'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'the',\n",
       "  'cheapest',\n",
       "  'way',\n",
       "  'to',\n",
       "  'use',\n",
       "  'data',\n",
       "  'for',\n",
       "  'an',\n",
       "  'Australian',\n",
       "  '(',\n",
       "  'Telstra',\n",
       "  ')',\n",
       "  'iPhone',\n",
       "  'in',\n",
       "  'the',\n",
       "  'US',\n",
       "  '?'],\n",
       " ['How', 'to', 'get', 'to', 'Angel', 'Falls', '?'],\n",
       " ['What',\n",
       "  'are',\n",
       "  'the',\n",
       "  'most',\n",
       "  'diverse',\n",
       "  'places',\n",
       "  'to',\n",
       "  'go',\n",
       "  'snorkeling',\n",
       "  'in',\n",
       "  'Hawaii',\n",
       "  'for',\n",
       "  'fish',\n",
       "  'and',\n",
       "  'coral',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'to',\n",
       "  'prepare',\n",
       "  'for',\n",
       "  'a',\n",
       "  'trip',\n",
       "  'to',\n",
       "  'the',\n",
       "  'Half-Dome',\n",
       "  'in',\n",
       "  'Yosemite',\n",
       "  'National',\n",
       "  'Park',\n",
       "  '?'],\n",
       " ['Do',\n",
       "  'I',\n",
       "  'need',\n",
       "  'a',\n",
       "  'visa',\n",
       "  'if',\n",
       "  'I',\n",
       "  'go',\n",
       "  'with',\n",
       "  'a',\n",
       "  'cruise',\n",
       "  'line',\n",
       "  'to',\n",
       "  'St.',\n",
       "  'Petersburg',\n",
       "  '?'],\n",
       " ['How', 'to', 'use', 'sinks', 'with', 'separate', 'hot/cold', 'taps', '?'],\n",
       " ['Ground',\n",
       "  'transportation',\n",
       "  'options',\n",
       "  'for',\n",
       "  'late',\n",
       "  'arrival',\n",
       "  'at',\n",
       "  'Portland',\n",
       "  'Oregon',\n",
       "  'Airport',\n",
       "  '(',\n",
       "  'PDX',\n",
       "  ')'],\n",
       " ['Can',\n",
       "  'you',\n",
       "  'really',\n",
       "  'get',\n",
       "  'around',\n",
       "  'everywhere',\n",
       "  'with',\n",
       "  'only',\n",
       "  'speaking',\n",
       "  'English',\n",
       "  '?'],\n",
       " ['How', 'to', 'fly', 'on', 'the', 'new', 'Boeing', '787', 'Dreamliner', '?'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'scheduled',\n",
       "  'flight',\n",
       "  'connections',\n",
       "  'operated',\n",
       "  'with',\n",
       "  'a',\n",
       "  'helicopter',\n",
       "  '?'],\n",
       " ['Do',\n",
       "  'EU',\n",
       "  'passenger',\n",
       "  'rights',\n",
       "  'also',\n",
       "  'apply',\n",
       "  'on',\n",
       "  'flights',\n",
       "  'which',\n",
       "  'are',\n",
       "  'operated',\n",
       "  'as',\n",
       "  'a',\n",
       "  'code-share',\n",
       "  'with',\n",
       "  'a',\n",
       "  'non-EU',\n",
       "  'based',\n",
       "  'airline',\n",
       "  '?'],\n",
       " ['OK',\n",
       "  'we',\n",
       "  \"'re\",\n",
       "  'all',\n",
       "  'adults',\n",
       "  'here',\n",
       "  ',',\n",
       "  'so',\n",
       "  'really',\n",
       "  ',',\n",
       "  'how',\n",
       "  'on',\n",
       "  'earth',\n",
       "  'should',\n",
       "  'I',\n",
       "  'use',\n",
       "  'a',\n",
       "  'squat',\n",
       "  'toilet',\n",
       "  '?'],\n",
       " ['Dual',\n",
       "  'nationality',\n",
       "  ',',\n",
       "  'EU',\n",
       "  'and',\n",
       "  'Australian',\n",
       "  '.',\n",
       "  'Does',\n",
       "  'it',\n",
       "  'matter',\n",
       "  'which',\n",
       "  'passport',\n",
       "  'is',\n",
       "  '``',\n",
       "  'travelled',\n",
       "  'on',\n",
       "  \"''\"],\n",
       " ['Dealing',\n",
       "  'with',\n",
       "  'the',\n",
       "  \"'unclean\",\n",
       "  'hand',\n",
       "  \"'\",\n",
       "  'when',\n",
       "  'travelling',\n",
       "  '(',\n",
       "  'if',\n",
       "  'you',\n",
       "  \"'re\",\n",
       "  'left-handed',\n",
       "  ')'],\n",
       " ['How', 'to', 'travel', 'to', 'California', 'with', 'my', 'cat', '?'],\n",
       " ['Round',\n",
       "  'trip',\n",
       "  'flight',\n",
       "  'for',\n",
       "  'me',\n",
       "  'with',\n",
       "  'wife',\n",
       "  'sharing',\n",
       "  'return',\n",
       "  'flight',\n",
       "  'only'],\n",
       " ['Vomitorium',\n",
       "  ':',\n",
       "  'Only',\n",
       "  'common',\n",
       "  'in',\n",
       "  'the',\n",
       "  'German-speaking',\n",
       "  'world',\n",
       "  '?'],\n",
       " ['Do',\n",
       "  'any',\n",
       "  'Mexican',\n",
       "  'bus',\n",
       "  'lines',\n",
       "  'provide',\n",
       "  'Internet',\n",
       "  'access',\n",
       "  '?'],\n",
       " ['Sightseeing', 'for', 'family', 'in', 'London', '?'],\n",
       " ['Name', 'of', 'Georgian', 'lemonade', '?'],\n",
       " ['Recommendations',\n",
       "  'for',\n",
       "  'snorkelling',\n",
       "  'on',\n",
       "  'the',\n",
       "  'Great',\n",
       "  'Barrier',\n",
       "  'Reef'],\n",
       " ['Travel',\n",
       "  'guides',\n",
       "  'that',\n",
       "  'covers',\n",
       "  'the',\n",
       "  'International',\n",
       "  'E-road',\n",
       "  'network',\n",
       "  '?'],\n",
       " ['Do',\n",
       "  'all',\n",
       "  'American',\n",
       "  'ATMs',\n",
       "  'charge',\n",
       "  'an',\n",
       "  'extra',\n",
       "  'fee',\n",
       "  'for',\n",
       "  'cash',\n",
       "  'withdrawals',\n",
       "  'on',\n",
       "  'a',\n",
       "  'foreign',\n",
       "  'card',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'possible',\n",
       "  'to',\n",
       "  'exchange',\n",
       "  'Australian',\n",
       "  'dollars',\n",
       "  'in',\n",
       "  'New',\n",
       "  'Zealand',\n",
       "  '?'],\n",
       " ['WildLife', 'Tourist', 'Destination', 'in', 'France'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'any',\n",
       "  'laws',\n",
       "  'which',\n",
       "  'prohibit',\n",
       "  'officials',\n",
       "  'from',\n",
       "  'taking',\n",
       "  'a',\n",
       "  'passport',\n",
       "  'out-of-reach',\n",
       "  'of',\n",
       "  'the',\n",
       "  'passport',\n",
       "  'holder',\n",
       "  '?'],\n",
       " ['Using',\n",
       "  'Occupy',\n",
       "  'Wall',\n",
       "  'Street',\n",
       "  'as',\n",
       "  'a',\n",
       "  'travel',\n",
       "  'hack',\n",
       "  '-',\n",
       "  'any',\n",
       "  'downsides',\n",
       "  '?'],\n",
       " ['What', \"'s\", 'the', 'easternmost', 'place', 'in', 'Asia', '?'],\n",
       " ['Most', 'remote', 'exclave', '?'],\n",
       " ['Long', 'term', 'vacation', 'on', 'Falkland', 'islands', '?'],\n",
       " ['Is', 'this', 'a', 'realistic', 'backpacking', 'trip', 'in', 'Europe', '?'],\n",
       " ['How',\n",
       "  'to',\n",
       "  'go',\n",
       "  'about',\n",
       "  'backpacking',\n",
       "  'to',\n",
       "  'Europe',\n",
       "  'for',\n",
       "  'the',\n",
       "  'first',\n",
       "  'time'],\n",
       " ['What', 'on', 'earth', 'has', 'yet', 'to', 'be', 'explored', '?'],\n",
       " ['How',\n",
       "  'many',\n",
       "  'countries',\n",
       "  'are',\n",
       "  'there',\n",
       "  'in',\n",
       "  'the',\n",
       "  'world',\n",
       "  'to',\n",
       "  'travel',\n",
       "  'to',\n",
       "  '?'],\n",
       " ['United',\n",
       "  'Premier',\n",
       "  'member',\n",
       "  'on',\n",
       "  'a',\n",
       "  'Continental',\n",
       "  'flight',\n",
       "  'operated',\n",
       "  'by',\n",
       "  'United'],\n",
       " ['Do',\n",
       "  'Canadian',\n",
       "  'ATMs',\n",
       "  'charge',\n",
       "  'extra',\n",
       "  'fees',\n",
       "  'for',\n",
       "  'cash',\n",
       "  'withdrawals',\n",
       "  'on',\n",
       "  'foreign',\n",
       "  'cards',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'are',\n",
       "  'my',\n",
       "  'options',\n",
       "  'for',\n",
       "  'transportation',\n",
       "  'around',\n",
       "  'the',\n",
       "  'Great',\n",
       "  'Plains',\n",
       "  '(',\n",
       "  'US',\n",
       "  ')',\n",
       "  '?'],\n",
       " ['Which', 'city', 'to', 'visit', 'in', 'Europe', 'during', 'January', '?'],\n",
       " ['Is',\n",
       "  'two',\n",
       "  'weeks',\n",
       "  'enough',\n",
       "  'time',\n",
       "  'to',\n",
       "  'drive',\n",
       "  'from',\n",
       "  'Tallinn',\n",
       "  'to',\n",
       "  'Stockholm',\n",
       "  'and',\n",
       "  'have',\n",
       "  'enough',\n",
       "  'time',\n",
       "  'to',\n",
       "  'visit',\n",
       "  'the',\n",
       "  'major',\n",
       "  'cities',\n",
       "  'along',\n",
       "  'the',\n",
       "  'way',\n",
       "  '?'],\n",
       " ['Why', 'would', 'you', 'wrap', 'your', 'luggage', 'in', 'plastic', '?'],\n",
       " ['Snorkeling', 'in', 'southern', 'Japan', '?'],\n",
       " ['Weather',\n",
       "  'for',\n",
       "  'hitchhiking',\n",
       "  'and',\n",
       "  'camping',\n",
       "  'in',\n",
       "  'Iran',\n",
       "  'in',\n",
       "  'November',\n",
       "  'or',\n",
       "  'March'],\n",
       " ['How', 'do', 'I', 'get', 'a', 'free', 'Hostelworld', 'Gold', 'card', '?'],\n",
       " ['Pick-up', 'Soccer', 'in', 'Dublin'],\n",
       " ['What',\n",
       "  'are',\n",
       "  'good',\n",
       "  'design',\n",
       "  'galleries',\n",
       "  'and',\n",
       "  'museums',\n",
       "  'to',\n",
       "  'see',\n",
       "  'in',\n",
       "  'Stockholm',\n",
       "  '?'],\n",
       " ['Why',\n",
       "  'is',\n",
       "  'Nynäshamn',\n",
       "  'a',\n",
       "  'de',\n",
       "  'facto',\n",
       "  '``',\n",
       "  'port',\n",
       "  \"''\",\n",
       "  'for',\n",
       "  'Stockholm',\n",
       "  '?'],\n",
       " ['Car', 'hire', 'out', 'of', 'NYC'],\n",
       " ['How',\n",
       "  'to',\n",
       "  'get',\n",
       "  'to',\n",
       "  'Telavi',\n",
       "  'from',\n",
       "  'Tbilisi',\n",
       "  'by',\n",
       "  'public',\n",
       "  'transport',\n",
       "  '?'],\n",
       " ['OFII', 'form', 'in', 'France'],\n",
       " ['Why',\n",
       "  'exactly',\n",
       "  'is',\n",
       "  'it',\n",
       "  'so',\n",
       "  'important',\n",
       "  'not',\n",
       "  'to',\n",
       "  'forget',\n",
       "  'my',\n",
       "  'towel',\n",
       "  'when',\n",
       "  'hitchhiking',\n",
       "  '?'],\n",
       " ['Travel', 'to', 'Okinawa', 'from', 'mainland', 'Japan'],\n",
       " ['What',\n",
       "  \"'s\",\n",
       "  'the',\n",
       "  'best',\n",
       "  'time',\n",
       "  'to',\n",
       "  'see',\n",
       "  'the',\n",
       "  'monster',\n",
       "  'of',\n",
       "  'Loch',\n",
       "  'Ness',\n",
       "  '?'],\n",
       " ['Which',\n",
       "  'Cities',\n",
       "  'In',\n",
       "  'Finland',\n",
       "  '(',\n",
       "  'if',\n",
       "  'any',\n",
       "  ')',\n",
       "  'Have',\n",
       "  'a',\n",
       "  'Medieval',\n",
       "  'Architecture',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'can',\n",
       "  'I',\n",
       "  'travel',\n",
       "  'to',\n",
       "  'Japan',\n",
       "  'from',\n",
       "  'mainland',\n",
       "  'Asia',\n",
       "  'by',\n",
       "  'ship',\n",
       "  '?'],\n",
       " ['Annular',\n",
       "  'Solar',\n",
       "  'Eclipse',\n",
       "  '-',\n",
       "  'Adak',\n",
       "  'Island',\n",
       "  ',',\n",
       "  'May',\n",
       "  '2012',\n",
       "  ':',\n",
       "  'Airfare',\n",
       "  'help',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'difficult',\n",
       "  'for',\n",
       "  'an',\n",
       "  'Iranian',\n",
       "  'citizen',\n",
       "  'to',\n",
       "  'get',\n",
       "  'a',\n",
       "  'visa',\n",
       "  'to',\n",
       "  'travel',\n",
       "  'to',\n",
       "  'Morocco',\n",
       "  'as',\n",
       "  'a',\n",
       "  'tourist',\n",
       "  '?'],\n",
       " ['What', 'are', 'the', 'must-buy', 'souvenirs', 'from', 'Ireland', '?'],\n",
       " ['Is',\n",
       "  'there',\n",
       "  'a',\n",
       "  'museum',\n",
       "  'anywhere',\n",
       "  'at',\n",
       "  'least',\n",
       "  'partly',\n",
       "  'about',\n",
       "  'Rubik',\n",
       "  \"'s\",\n",
       "  'Cube',\n",
       "  'or',\n",
       "  'Ernő',\n",
       "  'Rubik',\n",
       "  '?'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'any',\n",
       "  'places',\n",
       "  'in',\n",
       "  'the',\n",
       "  'world',\n",
       "  'where',\n",
       "  'you',\n",
       "  'can',\n",
       "  'actually',\n",
       "  '``',\n",
       "  'travel',\n",
       "  \"''\",\n",
       "  'with',\n",
       "  'an',\n",
       "  'airship',\n",
       "  '/',\n",
       "  'zeppelin',\n",
       "  'etc',\n",
       "  '?',\n",
       "  '(',\n",
       "  'Not',\n",
       "  'just',\n",
       "  'a',\n",
       "  'tour',\n",
       "  'or',\n",
       "  'joyride',\n",
       "  ')'],\n",
       " ['Camping', 'in', 'national', 'parks', 'in', 'Sri', 'Lanka'],\n",
       " ['Sell',\n",
       "  'a',\n",
       "  'pair',\n",
       "  'of',\n",
       "  'blue',\n",
       "  'jeans',\n",
       "  'and',\n",
       "  'live',\n",
       "  'like',\n",
       "  'a',\n",
       "  'king',\n",
       "  'for',\n",
       "  'a',\n",
       "  'week',\n",
       "  ':',\n",
       "  'Still',\n",
       "  'possible',\n",
       "  'in',\n",
       "  'Europe',\n",
       "  '?'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'open',\n",
       "  'air',\n",
       "  'hot',\n",
       "  'springs',\n",
       "  'in',\n",
       "  'natural',\n",
       "  'settings',\n",
       "  'in',\n",
       "  'the',\n",
       "  'mountains',\n",
       "  'of',\n",
       "  'Georgia',\n",
       "  '(',\n",
       "  'the',\n",
       "  'country',\n",
       "  ')',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'there',\n",
       "  'a',\n",
       "  'standard',\n",
       "  'power',\n",
       "  'adaptor',\n",
       "  'to',\n",
       "  'use',\n",
       "  'on',\n",
       "  'airplanes',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'to',\n",
       "  'find',\n",
       "  '``',\n",
       "  'night',\n",
       "  'and',\n",
       "  'day',\n",
       "  \"''\",\n",
       "  'decongestant',\n",
       "  'for',\n",
       "  'a',\n",
       "  'head',\n",
       "  'cold',\n",
       "  'when',\n",
       "  'there',\n",
       "  \"'s\",\n",
       "  'a',\n",
       "  'language',\n",
       "  'barrier',\n",
       "  '?'],\n",
       " ['K-18', 'tickets', 'in', 'Finland'],\n",
       " ['Travelling',\n",
       "  'using',\n",
       "  'the',\n",
       "  'Underground',\n",
       "  '(',\n",
       "  'the',\n",
       "  'Tube',\n",
       "  ')',\n",
       "  'in',\n",
       "  'London'],\n",
       " ['Do',\n",
       "  'I',\n",
       "  'have',\n",
       "  'to',\n",
       "  'pay',\n",
       "  'traffic',\n",
       "  'fines',\n",
       "  'issued',\n",
       "  'by',\n",
       "  'foreign',\n",
       "  'governments',\n",
       "  '?'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'countries',\n",
       "  'other',\n",
       "  'than',\n",
       "  'the',\n",
       "  'Netherlands',\n",
       "  'that',\n",
       "  'support',\n",
       "  'hitchhiking',\n",
       "  '?'],\n",
       " ['Are',\n",
       "  'all',\n",
       "  'trains/buses',\n",
       "  'within',\n",
       "  'the',\n",
       "  'EU',\n",
       "  'non-smoking',\n",
       "  '?',\n",
       "  'What',\n",
       "  'about',\n",
       "  'smoking',\n",
       "  'on',\n",
       "  'platforms',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'options',\n",
       "  'are',\n",
       "  'there',\n",
       "  'for',\n",
       "  '``',\n",
       "  'disabled',\n",
       "  \"''\",\n",
       "  'assistance',\n",
       "  'at',\n",
       "  'Heathrow',\n",
       "  'airport',\n",
       "  '?',\n",
       "  '(',\n",
       "  'or',\n",
       "  ':',\n",
       "  'which',\n",
       "  'London',\n",
       "  'airport',\n",
       "  'is',\n",
       "  'best',\n",
       "  'for',\n",
       "  'this',\n",
       "  '?',\n",
       "  ')'],\n",
       " ['How',\n",
       "  'big',\n",
       "  'is',\n",
       "  '``',\n",
       "  'too',\n",
       "  'big',\n",
       "  \"''\",\n",
       "  'for',\n",
       "  'an',\n",
       "  'airline',\n",
       "  'seat',\n",
       "  '?',\n",
       "  'At',\n",
       "  'what',\n",
       "  'point',\n",
       "  'will',\n",
       "  'you',\n",
       "  'be',\n",
       "  'required',\n",
       "  'to',\n",
       "  'buy',\n",
       "  'two',\n",
       "  'tickets',\n",
       "  '?'],\n",
       " ['Laptop', 'Searches', 'by', 'Customs', '-', 'UK', 'and', 'US'],\n",
       " ['TrueCrypt', 'Volumes', ':', 'Will', 'it', 'cause', 'any', 'trouble', '?'],\n",
       " ['Why',\n",
       "  'do',\n",
       "  'there',\n",
       "  'seem',\n",
       "  'to',\n",
       "  'be',\n",
       "  'no',\n",
       "  'long',\n",
       "  'distance',\n",
       "  'buses',\n",
       "  'in',\n",
       "  'France',\n",
       "  '?'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'ways',\n",
       "  'to',\n",
       "  'keep',\n",
       "  'long-distance',\n",
       "  'land',\n",
       "  'transport',\n",
       "  'costs',\n",
       "  'down',\n",
       "  'in',\n",
       "  'France',\n",
       "  'when',\n",
       "  'not',\n",
       "  'planning',\n",
       "  'in',\n",
       "  'advance',\n",
       "  '?'],\n",
       " ['How',\n",
       "  \"'s\",\n",
       "  'the',\n",
       "  'weather',\n",
       "  'for',\n",
       "  'hiking',\n",
       "  'in',\n",
       "  'lower',\n",
       "  'Tibet',\n",
       "  'in',\n",
       "  'May',\n",
       "  '?'],\n",
       " ['Where',\n",
       "  'is',\n",
       "  'this',\n",
       "  'half',\n",
       "  'buried',\n",
       "  'Armenian',\n",
       "  'church',\n",
       "  'or',\n",
       "  'monastery',\n",
       "  '?'],\n",
       " ['Temporary', 'exhibitions', 'in', 'Helsinki', 'before', 'christmas'],\n",
       " ['Making', 'calls', 'from', 'Romania'],\n",
       " ['Are', 'there', 'any', 'tour', 'group', 'comparison', 'websites', '?'],\n",
       " ['What',\n",
       "  'are',\n",
       "  'the',\n",
       "  'best',\n",
       "  'days',\n",
       "  'to',\n",
       "  'travel',\n",
       "  'around',\n",
       "  'Thanksgiving',\n",
       "  '(',\n",
       "  'US',\n",
       "  ')',\n",
       "  '?'],\n",
       " ['Will',\n",
       "  'I',\n",
       "  'get',\n",
       "  'in',\n",
       "  'trouble',\n",
       "  'if',\n",
       "  'I',\n",
       "  'drink',\n",
       "  'beer',\n",
       "  'in',\n",
       "  'public',\n",
       "  'in',\n",
       "  'Dubai',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'long',\n",
       "  'can',\n",
       "  'a',\n",
       "  'citizen',\n",
       "  'of',\n",
       "  'Iran',\n",
       "  'stay',\n",
       "  'in',\n",
       "  'Georgia',\n",
       "  '(',\n",
       "  'the',\n",
       "  'country',\n",
       "  ')',\n",
       "  'as',\n",
       "  'a',\n",
       "  'tourist',\n",
       "  '?'],\n",
       " ['Carry', 'on', 'crafting', 'projects'],\n",
       " ['Which', 'countries', 'are', '``', 'Muslim', 'countries', \"''\", '?'],\n",
       " ['Overlanding',\n",
       "  'in',\n",
       "  'Egypt',\n",
       "  'without',\n",
       "  'a',\n",
       "  'carnet',\n",
       "  'de',\n",
       "  'passage',\n",
       "  '?'],\n",
       " ['Making', 'Restaurant', 'Reservations', 'in', 'Paris', 'from', 'America'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'certain',\n",
       "  'days',\n",
       "  'of',\n",
       "  'the',\n",
       "  'week',\n",
       "  'or',\n",
       "  'weeks',\n",
       "  'in',\n",
       "  'a',\n",
       "  'month',\n",
       "  '(',\n",
       "  'barring',\n",
       "  'major',\n",
       "  'holidays',\n",
       "  ')',\n",
       "  'that',\n",
       "  'are',\n",
       "  'generally',\n",
       "  'cheapest',\n",
       "  'for',\n",
       "  'flights',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'can',\n",
       "  'I',\n",
       "  'find',\n",
       "  'a',\n",
       "  'good',\n",
       "  'school',\n",
       "  'to',\n",
       "  'learn',\n",
       "  'Japanese',\n",
       "  'in',\n",
       "  'Tokyo',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'would',\n",
       "  'be',\n",
       "  'the',\n",
       "  'closest',\n",
       "  'place',\n",
       "  'to',\n",
       "  'surf',\n",
       "  'to',\n",
       "  'Tbilisi',\n",
       "  ',',\n",
       "  'Georgia',\n",
       "  '?'],\n",
       " ['Interesting',\n",
       "  'places',\n",
       "  'to',\n",
       "  'see',\n",
       "  'around',\n",
       "  '(',\n",
       "  'not',\n",
       "  'in',\n",
       "  ')',\n",
       "  'Valencia',\n",
       "  '?'],\n",
       " ['Two',\n",
       "  'months',\n",
       "  'in',\n",
       "  'the',\n",
       "  'Caribbean',\n",
       "  '-',\n",
       "  'With',\n",
       "  'Diving',\n",
       "  'Available'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'any',\n",
       "  'guarded',\n",
       "  'parking',\n",
       "  'lots',\n",
       "  'anywhere',\n",
       "  'in',\n",
       "  'or',\n",
       "  'near',\n",
       "  'Berlin',\n",
       "  ',',\n",
       "  'Germany',\n",
       "  '?'],\n",
       " ['Jeju',\n",
       "  'Island',\n",
       "  '(',\n",
       "  'New',\n",
       "  'Natural',\n",
       "  'Wonder',\n",
       "  'of',\n",
       "  'the',\n",
       "  'World',\n",
       "  ')',\n",
       "  '-',\n",
       "  'How',\n",
       "  'to',\n",
       "  'Get',\n",
       "  'There',\n",
       "  '?'],\n",
       " ['Getting', 'to', 'Valencia', 'Airport', 'early', 'in', 'the', 'morning'],\n",
       " ['Kayak', 'options', 'in', 'Patagonia'],\n",
       " ['Maps', 'with', 'road', 'drivability', 'grading'],\n",
       " ['Tips',\n",
       "  'for',\n",
       "  'getting',\n",
       "  'a',\n",
       "  'visa',\n",
       "  'when',\n",
       "  'there',\n",
       "  \"'s\",\n",
       "  'no',\n",
       "  'embassy',\n",
       "  'in',\n",
       "  'one',\n",
       "  \"'s\",\n",
       "  'country',\n",
       "  'of',\n",
       "  'residence'],\n",
       " ['New', 'York', 'airports', ':', 'JFK', 'vs.', 'EWR/Newark', '?'],\n",
       " ['Can',\n",
       "  'I',\n",
       "  'study',\n",
       "  'the',\n",
       "  'Welsh',\n",
       "  'language',\n",
       "  'as',\n",
       "  'a',\n",
       "  'traveller',\n",
       "  'in',\n",
       "  'Patagonia',\n",
       "  '?'],\n",
       " ['What', 'are', 'the', 'signs', 'of', 'a', 'bed', 'bug', 'infestation', '?'],\n",
       " ['What',\n",
       "  'kind',\n",
       "  'of',\n",
       "  'a',\n",
       "  'car',\n",
       "  'do',\n",
       "  'I',\n",
       "  'need',\n",
       "  'to',\n",
       "  'travel',\n",
       "  'along',\n",
       "  'the',\n",
       "  'Panamerica',\n",
       "  '?'],\n",
       " ['Is', 'all', 'of', 'Afghanistan', 'dangerous', 'for', 'travellers', '?'],\n",
       " ['Theatre/Musical', 'or', 'other', 'activities', 'in', 'Washington', 'DC'],\n",
       " ['How',\n",
       "  'is',\n",
       "  'the',\n",
       "  'weather',\n",
       "  'in',\n",
       "  'Cuba',\n",
       "  'in',\n",
       "  'January/February/March',\n",
       "  '?'],\n",
       " ['Places', 'with', 'cheapest', 'accommodation', 'in', 'Schengen', 'area'],\n",
       " ['What',\n",
       "  'are',\n",
       "  'the',\n",
       "  'best',\n",
       "  'places',\n",
       "  'to',\n",
       "  'eat',\n",
       "  'and',\n",
       "  'have',\n",
       "  'fun',\n",
       "  'in',\n",
       "  'Aruba',\n",
       "  '?'],\n",
       " ['How', 'can', 'I', 'estimate', 'the', 'crime', 'rate', 'in', 'Cuba', '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'more',\n",
       "  'expensive',\n",
       "  'to',\n",
       "  'buy',\n",
       "  'airline',\n",
       "  'tickets',\n",
       "  'together',\n",
       "  'than',\n",
       "  'separate',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'well',\n",
       "  'do',\n",
       "  'foreign',\n",
       "  'cell',\n",
       "  'phones',\n",
       "  'work',\n",
       "  'in',\n",
       "  'Japan',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'the',\n",
       "  'most',\n",
       "  'efficient',\n",
       "  'way',\n",
       "  'to',\n",
       "  'pack',\n",
       "  'a',\n",
       "  'bag',\n",
       "  '?'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'still',\n",
       "  'any',\n",
       "  '``',\n",
       "  'cheap',\n",
       "  \"''\",\n",
       "  'options',\n",
       "  'for',\n",
       "  'flying',\n",
       "  'from',\n",
       "  'Australia',\n",
       "  'to',\n",
       "  'Mexico',\n",
       "  'without',\n",
       "  'going',\n",
       "  'through',\n",
       "  'the',\n",
       "  'US',\n",
       "  '?'],\n",
       " ['Best', 'smartphone', 'data', 'plan', 'in', 'South', 'Korea', '?'],\n",
       " ['How', 'to', 'get', 'a', 'visa', 'for', 'Iran', '?'],\n",
       " ['What',\n",
       "  \"'s\",\n",
       "  'a',\n",
       "  'good',\n",
       "  'substitute',\n",
       "  'for',\n",
       "  'a',\n",
       "  'pocket',\n",
       "  'knife',\n",
       "  'that',\n",
       "  'can',\n",
       "  'be',\n",
       "  'carried',\n",
       "  'on-board',\n",
       "  'a',\n",
       "  'plane',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'do',\n",
       "  'I',\n",
       "  'verify',\n",
       "  'my',\n",
       "  'location',\n",
       "  'in',\n",
       "  'a',\n",
       "  'country',\n",
       "  'that',\n",
       "  'has',\n",
       "  'unreliable',\n",
       "  'mail',\n",
       "  '?'],\n",
       " ['Travelling', 'with', 'two', 'different', 'passports'],\n",
       " ['Can', 'cats', 'make', 'hiking', 'companions', '?'],\n",
       " ['5', 'hours', 'in', 'Amsterdam'],\n",
       " ['Truck', 'rental', ',', 'Mexico', 'pick-up', ',', 'U.S.', 'drop-off'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'a',\n",
       "  'safe',\n",
       "  'overland',\n",
       "  'route',\n",
       "  'from',\n",
       "  'Europe',\n",
       "  'to',\n",
       "  'India',\n",
       "  'using',\n",
       "  'public',\n",
       "  'transport',\n",
       "  '?'],\n",
       " ['Exchanging', 'Albanian', 'money', 'into', 'euros', 'outside', 'Albania'],\n",
       " ['Boracay', 'over', 'Chinese', 'New', 'Year'],\n",
       " ['Car', 'rental', 'in', 'Sydney', '-', 'airport', 'or', 'town', '?'],\n",
       " ['Romantic', 'restaurants', 'in', 'ski', 'area', 'in', 'Austria'],\n",
       " ['Roadtrip',\n",
       "  'in',\n",
       "  'Southeastern',\n",
       "  'Europe',\n",
       "  ':',\n",
       "  'too',\n",
       "  'much',\n",
       "  'for',\n",
       "  '4',\n",
       "  'weeks',\n",
       "  '?'],\n",
       " ['Can',\n",
       "  'you',\n",
       "  'buy',\n",
       "  'duty',\n",
       "  'free',\n",
       "  'at',\n",
       "  'Kuala',\n",
       "  'Lumpur',\n",
       "  'for',\n",
       "  'travel',\n",
       "  'to',\n",
       "  'Australia',\n",
       "  '?'],\n",
       " ['What', 'is', 'the', 'LEAST', 'visited', 'country', 'by', 'tourists', '?'],\n",
       " ['What',\n",
       "  'is',\n",
       "  'more',\n",
       "  'effective',\n",
       "  'seeking',\n",
       "  'luggage',\n",
       "  'damage',\n",
       "  'compensation',\n",
       "  'from',\n",
       "  'the',\n",
       "  'aiport',\n",
       "  'or',\n",
       "  'airline',\n",
       "  '?'],\n",
       " ['Greyhound',\n",
       "  ':',\n",
       "  'can',\n",
       "  'I',\n",
       "  'ensure',\n",
       "  'I',\n",
       "  'get',\n",
       "  'a',\n",
       "  'seat',\n",
       "  'on',\n",
       "  'the',\n",
       "  'bus',\n",
       "  'I',\n",
       "  'want',\n",
       "  'to',\n",
       "  'use',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'possible',\n",
       "  'to',\n",
       "  'climb',\n",
       "  'Uluru',\n",
       "  '(',\n",
       "  'Ayers',\n",
       "  'Rock',\n",
       "  ')',\n",
       "  '?'],\n",
       " [\"'One\", 'laptop', 'per', \"child'-\", 'like', 'organisations', '?'],\n",
       " ['Visiting', 'islands', 'around', 'Cuba'],\n",
       " ['Applying', 'for', 'a', 'Schengen', 'Visa', 'from', 'within', 'the', 'UK'],\n",
       " ['What', 'should', 'I', 'do/visit', 'in', 'Qatar', 'for', '8', 'hours', '?'],\n",
       " ['Driving', 'into', 'Germany', 'over', 'Easter', 'weekend'],\n",
       " ['Getting',\n",
       "  'from',\n",
       "  'the',\n",
       "  'Frankfurt-Hahn',\n",
       "  'airport',\n",
       "  'to',\n",
       "  'Saarbrücken',\n",
       "  '(',\n",
       "  'Germany',\n",
       "  ')'],\n",
       " ['Places',\n",
       "  'to',\n",
       "  'stop',\n",
       "  'off',\n",
       "  'along',\n",
       "  'the',\n",
       "  'Sydney',\n",
       "  'to',\n",
       "  'Brisbane',\n",
       "  'railway',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'happens',\n",
       "  'if',\n",
       "  'you',\n",
       "  'arrive',\n",
       "  'in',\n",
       "  'Malaysia',\n",
       "  'with',\n",
       "  'a',\n",
       "  'one-way',\n",
       "  'ticket',\n",
       "  'but',\n",
       "  'are',\n",
       "  'asked',\n",
       "  'for',\n",
       "  'proof',\n",
       "  'of',\n",
       "  'onward',\n",
       "  'travel',\n",
       "  '?'],\n",
       " ['Under',\n",
       "  'which',\n",
       "  'conditions',\n",
       "  'should',\n",
       "  'I',\n",
       "  'buy',\n",
       "  'an',\n",
       "  'extra',\n",
       "  'ticket',\n",
       "  'for',\n",
       "  'my',\n",
       "  'luggage',\n",
       "  'on',\n",
       "  'public',\n",
       "  'transport',\n",
       "  'in',\n",
       "  'Sofia',\n",
       "  '?'],\n",
       " ['Traveling',\n",
       "  'through',\n",
       "  'Sicily',\n",
       "  'on',\n",
       "  'a',\n",
       "  'budget',\n",
       "  'and',\n",
       "  'without',\n",
       "  'a',\n",
       "  'driver',\n",
       "  \"'s\",\n",
       "  'license'],\n",
       " ['Car', 'rental', 'in', 'Japan'],\n",
       " ['Car',\n",
       "  'rental',\n",
       "  'vs.',\n",
       "  'buying',\n",
       "  'a',\n",
       "  'car',\n",
       "  'for',\n",
       "  '1',\n",
       "  'month',\n",
       "  ',',\n",
       "  'when',\n",
       "  'visiting',\n",
       "  'the',\n",
       "  'USA',\n",
       "  '?'],\n",
       " ['Can',\n",
       "  'anyone',\n",
       "  'recommend',\n",
       "  'the',\n",
       "  'most',\n",
       "  'interesting',\n",
       "  '2',\n",
       "  'or',\n",
       "  '3',\n",
       "  'day',\n",
       "  'cycle',\n",
       "  'in',\n",
       "  'Vietnam',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'there',\n",
       "  'a',\n",
       "  'way',\n",
       "  'to',\n",
       "  'check',\n",
       "  'that',\n",
       "  'the',\n",
       "  'conditions',\n",
       "  'on',\n",
       "  'your',\n",
       "  'plane',\n",
       "  'ticket',\n",
       "  'are',\n",
       "  'actually',\n",
       "  'what',\n",
       "  'your',\n",
       "  'travel',\n",
       "  'agent',\n",
       "  'said',\n",
       "  'they',\n",
       "  'are',\n",
       "  '?'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'ways',\n",
       "  'to',\n",
       "  'call',\n",
       "  '``',\n",
       "  'international',\n",
       "  \"''\",\n",
       "  'toll-free',\n",
       "  'phone',\n",
       "  'numbers',\n",
       "  '?'],\n",
       " ['Legalities',\n",
       "  'and',\n",
       "  'safety',\n",
       "  'concerns',\n",
       "  'of',\n",
       "  'visiting',\n",
       "  'prostitutes',\n",
       "  'in',\n",
       "  'Amsterdam'],\n",
       " ['I',\n",
       "  'have',\n",
       "  'a',\n",
       "  'tattoo',\n",
       "  '.',\n",
       "  'Can',\n",
       "  'I',\n",
       "  'visit',\n",
       "  'a',\n",
       "  'public',\n",
       "  'swimming',\n",
       "  'pool',\n",
       "  'in',\n",
       "  'Japan',\n",
       "  '?'],\n",
       " ['Refine', 'an', 'itinerary', 'through', 'Eastern', 'Europe'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'recommended',\n",
       "  'to',\n",
       "  'get',\n",
       "  'vaccinations',\n",
       "  'before',\n",
       "  'visiting',\n",
       "  'India',\n",
       "  '?'],\n",
       " ['Are', 'dogs', 'allowed', 'on', 'the', 'Trans-Siberian', 'railway', '?'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'electrical',\n",
       "  'outlets',\n",
       "  'in',\n",
       "  'the',\n",
       "  'sleeper',\n",
       "  'cars',\n",
       "  'of',\n",
       "  'the',\n",
       "  'California',\n",
       "  'Zephyr',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'do',\n",
       "  'I',\n",
       "  'cancel',\n",
       "  'a',\n",
       "  'ticket',\n",
       "  'bought',\n",
       "  'from',\n",
       "  'Czech',\n",
       "  'Airlines',\n",
       "  'webpage',\n",
       "  '?'],\n",
       " ['Can', 'I', 'see', 'Lebanon', 'from', 'Cyprus', '?'],\n",
       " ['Is',\n",
       "  'there',\n",
       "  'a',\n",
       "  'specific',\n",
       "  'flatshare',\n",
       "  'site',\n",
       "  'covering',\n",
       "  'Scotland',\n",
       "  '?'],\n",
       " ['Marco', 'Polo', 'Airport', 'Transfer', 'from', 'Venice'],\n",
       " ['Joining',\n",
       "  'the',\n",
       "  'Mile',\n",
       "  'High',\n",
       "  'Club',\n",
       "  '(',\n",
       "  'MHC',\n",
       "  ')',\n",
       "  '-',\n",
       "  'Can',\n",
       "  'I',\n",
       "  'get',\n",
       "  'into',\n",
       "  'trouble',\n",
       "  '?'],\n",
       " ['Direction',\n",
       "  'to',\n",
       "  'go',\n",
       "  'to',\n",
       "  'Australia',\n",
       "  '--',\n",
       "  'where',\n",
       "  'does',\n",
       "  'it',\n",
       "  'change',\n",
       "  '?'],\n",
       " ['International', 'transfer', 'in', 'Tel', 'Aviv', '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'possible',\n",
       "  'to',\n",
       "  'walk',\n",
       "  'from',\n",
       "  'ExCeL',\n",
       "  'to',\n",
       "  'London',\n",
       "  'City',\n",
       "  'Airport',\n",
       "  '?'],\n",
       " ['Which',\n",
       "  'organizations',\n",
       "  'are/have',\n",
       "  'been',\n",
       "  'effective',\n",
       "  'at',\n",
       "  'lobbying',\n",
       "  'against',\n",
       "  'invasive',\n",
       "  'airport',\n",
       "  'security',\n",
       "  '?'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'transport',\n",
       "  'options',\n",
       "  'in',\n",
       "  'Costa',\n",
       "  'Rica',\n",
       "  'than',\n",
       "  'can',\n",
       "  'be',\n",
       "  'shared',\n",
       "  'between',\n",
       "  'travelers',\n",
       "  '?'],\n",
       " ['How', 'can', 'I', 'go', 'to', 'a', 'thermal', 'bath', 'in', 'Merano', '?'],\n",
       " ['Changing', 'passport', 'details', 'for', 'a', 'flight', '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'worth',\n",
       "  'leaving',\n",
       "  'the',\n",
       "  'hotel',\n",
       "  'in',\n",
       "  'Verona',\n",
       "  'on',\n",
       "  'January',\n",
       "  '1st',\n",
       "  '?'],\n",
       " ['When',\n",
       "  'I',\n",
       "  'have',\n",
       "  'the',\n",
       "  'choice',\n",
       "  'should',\n",
       "  'I',\n",
       "  'choose',\n",
       "  'traveling',\n",
       "  'on',\n",
       "  'an',\n",
       "  'Airbus',\n",
       "  '340/330',\n",
       "  'or',\n",
       "  'a',\n",
       "  'Boeing',\n",
       "  '777',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'does',\n",
       "  'the',\n",
       "  'scuba',\n",
       "  'diving',\n",
       "  'compare',\n",
       "  'between',\n",
       "  'Coffs',\n",
       "  'Harbour',\n",
       "  'and',\n",
       "  'Byron',\n",
       "  'Bay',\n",
       "  '?'],\n",
       " ['Can',\n",
       "  'immigration',\n",
       "  'authorities',\n",
       "  'make',\n",
       "  'cross',\n",
       "  'checks',\n",
       "  'between',\n",
       "  'multiple',\n",
       "  'passports',\n",
       "  'of',\n",
       "  'the',\n",
       "  'same',\n",
       "  '(',\n",
       "  'German',\n",
       "  ')',\n",
       "  'person',\n",
       "  '?'],\n",
       " ['From', 'SFO', 'to', 'San', 'Jose', 'with', 'lots', 'of', 'luggage'],\n",
       " ['Tromsø', 'for', 'the', 'Aurora', 'Borealis', 'in', 'March'],\n",
       " ['What', 'is', 'this', 'Israeli', 'street', 'food', 'dish', '?'],\n",
       " ['Flying',\n",
       "  'with',\n",
       "  'a',\n",
       "  'desktop',\n",
       "  'computer',\n",
       "  '(',\n",
       "  'as',\n",
       "  'checked',\n",
       "  'luggage',\n",
       "  ')'],\n",
       " ['Buying', 'a', 'SIM', 'card', 'at', 'Heathrow'],\n",
       " ['How',\n",
       "  'to',\n",
       "  'manage/store',\n",
       "  'luggage',\n",
       "  'for',\n",
       "  'an',\n",
       "  'afternoon',\n",
       "  'in',\n",
       "  'Hong',\n",
       "  'Kong',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'to',\n",
       "  'expect',\n",
       "  'at',\n",
       "  'Chinese',\n",
       "  'customs',\n",
       "  'when',\n",
       "  'bringing',\n",
       "  'in',\n",
       "  'items',\n",
       "  'for',\n",
       "  'friends',\n",
       "  'who',\n",
       "  'live',\n",
       "  'there',\n",
       "  '?'],\n",
       " ['How', 'do', 'I', 'get', 'a', 'tourist', 'visa/card', 'for', 'Cuba', '?'],\n",
       " ['Amusement', 'parks', 'in', 'the', 'Tokyo', 'area'],\n",
       " ['Are', 'there', 'any', 'stone', 'elephants', 'in', 'Shanghai', '?'],\n",
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       "  'should',\n",
       "  'I',\n",
       "  'travel',\n",
       "  'in',\n",
       "  'Europe',\n",
       "  'if',\n",
       "  'I',\n",
       "  'want',\n",
       "  'to',\n",
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       "  'a',\n",
       "  'high',\n",
       "  'mountain',\n",
       "  'without',\n",
       "  'equipment',\n",
       "  '?'],\n",
       " ['Is',\n",
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       "  'a',\n",
       "  'good',\n",
       "  'base',\n",
       "  'to',\n",
       "  'visit',\n",
       "  'Turkey',\n",
       "  'and',\n",
       "  'Kurdistan',\n",
       "  '?'],\n",
       " ['Backpacking', 'in', 'Europe', 'for', 'the', 'first', 'time'],\n",
       " ['Where',\n",
       "  'in',\n",
       "  'Thailand',\n",
       "  'should',\n",
       "  'I',\n",
       "  'be',\n",
       "  'cautious',\n",
       "  'about',\n",
       "  'malaria',\n",
       "  '?'],\n",
       " ['How', 'to', 'choose', 'a', 'good', 'restaurant', 'in', 'Switzerland', '?'],\n",
       " ['How', 'to', 'pay', 'Chinese', 'customs', 'duties', '?'],\n",
       " ['Curonian', 'Spit', 'and', 'Kaliningrad'],\n",
       " ['Catching', 'snow', 'in', 'Southern', 'California'],\n",
       " ['Celebrating', 'Christmas', 'in', 'Bethlehem', ',', 'Palestine'],\n",
       " ['How',\n",
       "  'long',\n",
       "  'does',\n",
       "  'my',\n",
       "  'passport',\n",
       "  'need',\n",
       "  'to',\n",
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       "  'after',\n",
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       "  '?'],\n",
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       "  'with',\n",
       "  'different',\n",
       "  'nationality',\n",
       "  'passport',\n",
       "  'than',\n",
       "  'mom'],\n",
       " ['Christmas', 'Markets', 'in', 'Trentino-Alto', 'Adige'],\n",
       " ['Silvester', 'Party', 'in', 'Bratislava'],\n",
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       " ['What',\n",
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       "  'Safemove',\n",
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       "  'U-Haul',\n",
       "  'trucks',\n",
       "  'in',\n",
       "  'Canada',\n",
       "  '?'],\n",
       " ['What',\n",
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       "  'both',\n",
       "  'good',\n",
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       "  'diving',\n",
       "  'and',\n",
       "  'surfing',\n",
       "  '?'],\n",
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       "  'snowboarding',\n",
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       "  'couple',\n",
       "  'of',\n",
       "  'days',\n",
       "  'not',\n",
       "  'too',\n",
       "  'far',\n",
       "  'from',\n",
       "  'Stockholm'],\n",
       " ['Accommodation',\n",
       "  'for',\n",
       "  'a',\n",
       "  'large',\n",
       "  'group',\n",
       "  'in',\n",
       "  'Cairns',\n",
       "  'in',\n",
       "  'November',\n",
       "  '2012'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'companies',\n",
       "  'that',\n",
       "  'offer',\n",
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       "  'roaming',\n",
       "  'for',\n",
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       " ['How',\n",
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       "  'train',\n",
       "  'tickets',\n",
       "  'within',\n",
       "  'the',\n",
       "  'UK',\n",
       "  'from',\n",
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       "  '?'],\n",
       " ['Which',\n",
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       "  'these',\n",
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       "  'the',\n",
       "  'most',\n",
       "  'interesting',\n",
       "  'for',\n",
       "  'a',\n",
       "  'pilot',\n",
       "  '?'],\n",
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       "  'from',\n",
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       "  'to',\n",
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       "  ',',\n",
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       "  'or',\n",
       "  'any',\n",
       "  'other',\n",
       "  'part',\n",
       "  'of',\n",
       "  'the',\n",
       "  'UK',\n",
       "  'exist',\n",
       "  '?'],\n",
       " ['Internet', 'Service', 'for', 'multiple', 'people'],\n",
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       "  'Canadian',\n",
       "  'need',\n",
       "  'a',\n",
       "  'visa',\n",
       "  'to',\n",
       "  'pass',\n",
       "  'from',\n",
       "  'Cambodia',\n",
       "  'into',\n",
       "  'Laos',\n",
       "  'and',\n",
       "  'then',\n",
       "  'back',\n",
       "  '?'],\n",
       " ['Top',\n",
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       "  'and',\n",
       "  'how',\n",
       "  'to',\n",
       "  'get',\n",
       "  'there',\n",
       "  'from',\n",
       "  'Cambodia',\n",
       "  '?'],\n",
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       "  'with',\n",
       "  'dry',\n",
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       "  'and',\n",
       "  'cracking',\n",
       "  'skin',\n",
       "  'when',\n",
       "  'travelling',\n",
       "  'in',\n",
       "  'cold',\n",
       "  'locations',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'clothing',\n",
       "  'should',\n",
       "  'I',\n",
       "  'bring',\n",
       "  'to',\n",
       "  'Chicago',\n",
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       "  'New',\n",
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       "  'Eve',\n",
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       "  'the',\n",
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       "  'Strait',\n",
       "  'without',\n",
       "  'flying',\n",
       "  '?'],\n",
       " ['Can',\n",
       "  'I',\n",
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       "  'route',\n",
       "  'from',\n",
       "  'Spain',\n",
       "  'to',\n",
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       "  'for',\n",
       "  'a',\n",
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       "  'day',\n",
       "  'journey',\n",
       "  '?'],\n",
       " ['Which',\n",
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       "  'the',\n",
       "  'main',\n",
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       "  'in',\n",
       "  'Switzerland',\n",
       "  'and',\n",
       "  'which',\n",
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       "  'their',\n",
       "  'characteristics',\n",
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       " ['Which', 'is', 'the', 'cheapest', 'ski', 'resort', 'in', 'the', 'Alps', '?'],\n",
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       "  'offer',\n",
       "  'interactive',\n",
       "  'exhibits',\n",
       "  'for',\n",
       "  'blind',\n",
       "  'people',\n",
       "  '?'],\n",
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       "  'passport',\n",
       "  'holder',\n",
       "  'require',\n",
       "  'a',\n",
       "  'US',\n",
       "  'visa',\n",
       "  'for',\n",
       "  'business',\n",
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       "  '?'],\n",
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       "  'someone',\n",
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       "  'flowing',\n",
       "  'lava',\n",
       "  'at',\n",
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       "  'from',\n",
       "  'Miami',\n",
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       "  'Cancún',\n",
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       " ['How',\n",
       "  'to',\n",
       "  'find',\n",
       "  'car',\n",
       "  'rental',\n",
       "  'companies',\n",
       "  'in',\n",
       "  'Kalibo',\n",
       "  ',',\n",
       "  'Philippines',\n",
       "  '?'],\n",
       " ['Searching',\n",
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       "  'bikeable',\n",
       "  'offensive',\n",
       "  'town',\n",
       "  'names',\n",
       "  'in',\n",
       "  'Europe',\n",
       "  'like',\n",
       "  '``',\n",
       "  'Fucking',\n",
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       " ['What',\n",
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       "  'for',\n",
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       "  'outside',\n",
       "  'of',\n",
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       "  'get',\n",
       "  'to',\n",
       "  'an',\n",
       "  'English',\n",
       "  'Premier',\n",
       "  'League',\n",
       "  'game',\n",
       "  '?'],\n",
       " ['Flight/Train', 'combo', 'from', 'Europe', 'to', 'Toronto/Vancouver'],\n",
       " ['Central', 'Asia', 'in', '2012', ':', 'Tajikistan', 'or', 'Kyrgyzstan', '?'],\n",
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       "  'any',\n",
       "  'way',\n",
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       "  'spend',\n",
       "  'a',\n",
       "  'night',\n",
       "  'in',\n",
       "  'a',\n",
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       " ['Can', 'I', 'learn', 'ski', 'jumping', 'in', 'Japan', '?'],\n",
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       "  'not',\n",
       "  'allowed',\n",
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       "  '(',\n",
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       "  'phone',\n",
       "  'users',\n",
       "  'to',\n",
       "  'receive',\n",
       "  'international',\n",
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       " ['Can',\n",
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       "  'pack',\n",
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       "  'cardboard',\n",
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       "  'checked',\n",
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       "  'the',\n",
       "  'best',\n",
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       "  'to',\n",
       "  'get',\n",
       "  'from',\n",
       "  'the',\n",
       "  'airport',\n",
       "  'to',\n",
       "  'center',\n",
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       "  'Buenos',\n",
       "  'Aires',\n",
       "  '?'],\n",
       " ['How',\n",
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       "  'I',\n",
       "  'contact',\n",
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       "  'Visa',\n",
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       "  'Caucasus',\n",
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       " ['Would',\n",
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       "  'recommend',\n",
       "  'getting',\n",
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       "  '(',\n",
       "  'discount',\n",
       "  'argentina',\n",
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       "  'in',\n",
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       "  'Aires',\n",
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       " ['How',\n",
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       "  'take',\n",
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       " ['How',\n",
       "  'does',\n",
       "  'VIP',\n",
       "  'service',\n",
       "  'work',\n",
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       "  'the',\n",
       "  'Managua',\n",
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       " ['Is',\n",
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       "  'a',\n",
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       "  'map',\n",
       "  'for',\n",
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       "  'is',\n",
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       "  'still',\n",
       "  'practicable',\n",
       "  '?'],\n",
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       "  'San',\n",
       "  'Francisco',\n",
       "  'airport',\n",
       "  'to',\n",
       "  'the',\n",
       "  'South',\n",
       "  'Bay',\n",
       "  'by',\n",
       "  'public',\n",
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       " ['Getting',\n",
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       "  'on',\n",
       "  'Kyushu',\n",
       "  '(',\n",
       "  'Fukuoka',\n",
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       "  'Nagasaki',\n",
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       "  'Beppu',\n",
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       " ['Snowfall', 'at', 'sea', 'level', 'closest', 'to', 'the', 'equator', '?'],\n",
       " ['Turkey', 'sea-side', 'cottages'],\n",
       " ['Inspection', 'of', 'over-packed', 'bags'],\n",
       " ['Travel',\n",
       "  'health',\n",
       "  'insurance',\n",
       "  'that',\n",
       "  'counts',\n",
       "  'as',\n",
       "  '``',\n",
       "  'credible',\n",
       "  'coverage',\n",
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       " ['What',\n",
       "  'is',\n",
       "  'the',\n",
       "  'best',\n",
       "  'way',\n",
       "  'to',\n",
       "  'pack',\n",
       "  'a',\n",
       "  'suit',\n",
       "  'to',\n",
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       "  '?'],\n",
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       "  'passports',\n",
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       " ['Is',\n",
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       "  'in',\n",
       "  'Morocco',\n",
       "  'if',\n",
       "  'you',\n",
       "  'do',\n",
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       "  'understand',\n",
       "  'Arabic',\n",
       "  '?'],\n",
       " ['100',\n",
       "  'Years',\n",
       "  'Since',\n",
       "  'South',\n",
       "  'Pole',\n",
       "  'Expedition',\n",
       "  '-',\n",
       "  'How',\n",
       "  'to',\n",
       "  'reach',\n",
       "  'it',\n",
       "  'as',\n",
       "  'a',\n",
       "  'tourist',\n",
       "  '?'],\n",
       " ['Learn', 'to', 'sail', 'in', 'Sydney', '?'],\n",
       " ['Are',\n",
       "  'there',\n",
       "  'oil',\n",
       "  'platforms',\n",
       "  'which',\n",
       "  'you',\n",
       "  'could',\n",
       "  'visit',\n",
       "  'as',\n",
       "  'a',\n",
       "  'tourist',\n",
       "  '?'],\n",
       " ['Where',\n",
       "  'are',\n",
       "  'some',\n",
       "  'interesting',\n",
       "  'places',\n",
       "  'with',\n",
       "  'wildlife',\n",
       "  ',',\n",
       "  'nature-views',\n",
       "  ',',\n",
       "  'and/or',\n",
       "  'historical',\n",
       "  'sites',\n",
       "  'in',\n",
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       "  'very',\n",
       "  'North',\n",
       "  'of',\n",
       "  'Finland',\n",
       "  ',',\n",
       "  'Norway',\n",
       "  'and',\n",
       "  'Sweden',\n",
       "  '?'],\n",
       " ['How',\n",
       "  'early',\n",
       "  'should',\n",
       "  'you',\n",
       "  'get',\n",
       "  'to',\n",
       "  'the',\n",
       "  'airport',\n",
       "  'in',\n",
       "  'the',\n",
       "  'US',\n",
       "  '?'],\n",
       " ['Is',\n",
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       "  'possible',\n",
       "  'to',\n",
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       "  'in',\n",
       "  'Russia',\n",
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       "  'a',\n",
       "  'tourist',\n",
       "  'visa',\n",
       "  '?'],\n",
       " ['Where',\n",
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       "  '(',\n",
       "  'Denmark',\n",
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       " ['Preventing', 'Smash', 'and', 'Grab', 'Theft', 'while', 'Travelling'],\n",
       " ['Boat', 'access', 'to', 'Galapagos', 'Islands', '?'],\n",
       " ['Can', 'I', 'drive', 'from', 'Cuenca', 'to', 'Quito', '?'],\n",
       " ['Visit', 'a', 'volcano', 'in', 'Ecuador'],\n",
       " ['How',\n",
       "  \"'s\",\n",
       "  'the',\n",
       "  'view',\n",
       "  'from',\n",
       "  'Somerset',\n",
       "  'House',\n",
       "  \"'s\",\n",
       "  'terrace',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'cheaper',\n",
       "  'to',\n",
       "  'buy',\n",
       "  'a',\n",
       "  'tour',\n",
       "  'to',\n",
       "  'the',\n",
       "  'Galápagos',\n",
       "  'Islands',\n",
       "  'at',\n",
       "  'home',\n",
       "  'or',\n",
       "  'when',\n",
       "  'in',\n",
       "  'Ecuador',\n",
       "  '?'],\n",
       " ['Where', 'can', 'I', 'eat', 'a', 'guinea', 'pig', 'in', 'Ecuador', '?'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'worth',\n",
       "  'it',\n",
       "  'to',\n",
       "  'go',\n",
       "  'to',\n",
       "  'Mount',\n",
       "  'Kenya',\n",
       "  'for',\n",
       "  'only',\n",
       "  'one',\n",
       "  'day',\n",
       "  '?'],\n",
       " ['Is',\n",
       "  'there',\n",
       "  'a',\n",
       "  'monument',\n",
       "  'I',\n",
       "  'can',\n",
       "  'visit',\n",
       "  'in',\n",
       "  'Ecuador',\n",
       "  'that',\n",
       "  'marks',\n",
       "  'the',\n",
       "  'center',\n",
       "  'of',\n",
       "  'the',\n",
       "  'earth',\n",
       "  '?'],\n",
       " ['Why',\n",
       "  'do',\n",
       "  'you',\n",
       "  'need',\n",
       "  'to',\n",
       "  'take',\n",
       "  'out',\n",
       "  'your',\n",
       "  'laptop',\n",
       "  'from',\n",
       "  'your',\n",
       "  'bag',\n",
       "  'during',\n",
       "  'airport',\n",
       "  'security',\n",
       "  'checks',\n",
       "  '?'],\n",
       " ['What',\n",
       "  'options',\n",
       "  'do',\n",
       "  'I',\n",
       "  'have',\n",
       "  'for',\n",
       "  'scenic',\n",
       "  'long-distance',\n",
       "  'train',\n",
       "  'journeys',\n",
       "  'in',\n",
       "  'North',\n",
       "  'America',\n",
       "  'that',\n",
       "  'last',\n",
       "  'for',\n",
       "  '2',\n",
       "  'nights',\n",
       "  'or',\n",
       "  'more',\n",
       "  '?'],\n",
       " ['Can',\n",
       "  'I',\n",
       "  'travel',\n",
       "  'to',\n",
       "  'North',\n",
       "  'Korea',\n",
       "  'overland',\n",
       "  '(',\n",
       "  'via',\n",
       "  'train',\n",
       "  ')',\n",
       "  '?'],\n",
       " ['Which',\n",
       "  'border',\n",
       "  'crossing',\n",
       "  'should',\n",
       "  'I',\n",
       "  'take',\n",
       "  'between',\n",
       "  'Ecuador',\n",
       "  'and',\n",
       "  'Peru'],\n",
       " ['Via', 'ferratas', 'in', 'Pyrenees'],\n",
       " ['Is',\n",
       "  'it',\n",
       "  'now',\n",
       "  'feasible',\n",
       "  'for',\n",
       "  'an',\n",
       "  'adventurous',\n",
       "  'independent',\n",
       "  'traveller',\n",
       "  'to',\n",
       "  'visit',\n",
       "  'Chechnya',\n",
       "  '?'],\n",
       " ['Should',\n",
       "  'I',\n",
       "  'book',\n",
       "  'Thailand',\n",
       "  'Rail',\n",
       "  'tickets',\n",
       "  'online',\n",
       "  '(',\n",
       "  'pre-trip',\n",
       "  ')',\n",
       "  'or',\n",
       "  'at',\n",
       "  'the',\n",
       "  'station',\n",
       "  'when',\n",
       "  'I',\n",
       "  'arrive',\n",
       "  '?'],\n",
       " ['Gluten-free', 'eating', 'in', 'Peru'],\n",
       " ['What', 'are', 'the', 'offroad', 'regulations', 'in', 'UK', '?'],\n",
       " ['Bath', 'to', 'London', 'on', 'Christmas', 'Day'],\n",
       " ['Eurotrip', '-', 'temporary', 'job', 'for', '1', 'year'],\n",
       " ['Chiang', 'Mai', 'Trek', 'without', 'Elephant', 'Ride'],\n",
       " ['How',\n",
       "  'can',\n",
       "  'I',\n",
       "  'be',\n",
       "  'sure',\n",
       "  'the',\n",
       "  'operator',\n",
       "  'treats',\n",
       "  'elephants',\n",
       "  'humanely',\n",
       "  'before',\n",
       "  'booking',\n",
       "  'a',\n",
       "  'trek',\n",
       "  'in',\n",
       "  'Khao',\n",
       "  'Sok',\n",
       "  'national',\n",
       "  'park',\n",
       "  '?'],\n",
       " ...]"
      ]
     },
     "execution_count": 28,
     "metadata": {
      "tags": []
     },
     "output_type": "execute_result"
    }
   ],
   "source": [
    "TitleText"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "OuwubYkaH_e1"
   },
   "outputs": [],
   "source": [
    "import string\n",
    "TitleText = [[w for w in a if w not in string.punctuation] for a in TitleText]\n",
    "# usuwanie znakow interpunkcyjnych \n",
    "# (zrobienie tego przed tokenizacja popsuloby tokenizacje)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 1000
    },
    "colab_type": "code",
    "id": "7AkssjBGH_e5",
    "outputId": "cd032cc1-44ab-48de-b5a0-6ba64a3ffc09"
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['i',\n",
       " 'me',\n",
       " 'my',\n",
       " 'myself',\n",
       " 'we',\n",
       " 'our',\n",
       " 'ours',\n",
       " 'ourselves',\n",
       " 'you',\n",
       " \"you're\",\n",
       " \"you've\",\n",
       " \"you'll\",\n",
       " \"you'd\",\n",
       " 'your',\n",
       " 'yours',\n",
       " 'yourself',\n",
       " 'yourselves',\n",
       " 'he',\n",
       " 'him',\n",
       " 'his',\n",
       " 'himself',\n",
       " 'she',\n",
       " \"she's\",\n",
       " 'her',\n",
       " 'hers',\n",
       " 'herself',\n",
       " 'it',\n",
       " \"it's\",\n",
       " 'its',\n",
       " 'itself',\n",
       " 'they',\n",
       " 'them',\n",
       " 'their',\n",
       " 'theirs',\n",
       " 'themselves',\n",
       " 'what',\n",
       " 'which',\n",
       " 'who',\n",
       " 'whom',\n",
       " 'this',\n",
       " 'that',\n",
       " \"that'll\",\n",
       " 'these',\n",
       " 'those',\n",
       " 'am',\n",
       " 'is',\n",
       " 'are',\n",
       " 'was',\n",
       " 'were',\n",
       " 'be',\n",
       " 'been',\n",
       " 'being',\n",
       " 'have',\n",
       " 'has',\n",
       " 'had',\n",
       " 'having',\n",
       " 'do',\n",
       " 'does',\n",
       " 'did',\n",
       " 'doing',\n",
       " 'a',\n",
       " 'an',\n",
       " 'the',\n",
       " 'and',\n",
       " 'but',\n",
       " 'if',\n",
       " 'or',\n",
       " 'because',\n",
       " 'as',\n",
       " 'until',\n",
       " 'while',\n",
       " 'of',\n",
       " 'at',\n",
       " 'by',\n",
       " 'for',\n",
       " 'with',\n",
       " 'about',\n",
       " 'against',\n",
       " 'between',\n",
       " 'into',\n",
       " 'through',\n",
       " 'during',\n",
       " 'before',\n",
       " 'after',\n",
       " 'above',\n",
       " 'below',\n",
       " 'to',\n",
       " 'from',\n",
       " 'up',\n",
       " 'down',\n",
       " 'in',\n",
       " 'out',\n",
       " 'on',\n",
       " 'off',\n",
       " 'over',\n",
       " 'under',\n",
       " 'again',\n",
       " 'further',\n",
       " 'then',\n",
       " 'once',\n",
       " 'here',\n",
       " 'there',\n",
       " 'when',\n",
       " 'where',\n",
       " 'why',\n",
       " 'how',\n",
       " 'all',\n",
       " 'any',\n",
       " 'both',\n",
       " 'each',\n",
       " 'few',\n",
       " 'more',\n",
       " 'most',\n",
       " 'other',\n",
       " 'some',\n",
       " 'such',\n",
       " 'no',\n",
       " 'nor',\n",
       " 'not',\n",
       " 'only',\n",
       " 'own',\n",
       " 'same',\n",
       " 'so',\n",
       " 'than',\n",
       " 'too',\n",
       " 'very',\n",
       " 's',\n",
       " 't',\n",
       " 'can',\n",
       " 'will',\n",
       " 'just',\n",
       " 'don',\n",
       " \"don't\",\n",
       " 'should',\n",
       " \"should've\",\n",
       " 'now',\n",
       " 'd',\n",
       " 'll',\n",
       " 'm',\n",
       " 'o',\n",
       " 're',\n",
       " 've',\n",
       " 'y',\n",
       " 'ain',\n",
       " 'aren',\n",
       " \"aren't\",\n",
       " 'couldn',\n",
       " \"couldn't\",\n",
       " 'didn',\n",
       " \"didn't\",\n",
       " 'doesn',\n",
       " \"doesn't\",\n",
       " 'hadn',\n",
       " \"hadn't\",\n",
       " 'hasn',\n",
       " \"hasn't\",\n",
       " 'haven',\n",
       " \"haven't\",\n",
       " 'isn',\n",
       " \"isn't\",\n",
       " 'ma',\n",
       " 'mightn',\n",
       " \"mightn't\",\n",
       " 'mustn',\n",
       " \"mustn't\",\n",
       " 'needn',\n",
       " \"needn't\",\n",
       " 'shan',\n",
       " \"shan't\",\n",
       " 'shouldn',\n",
       " \"shouldn't\",\n",
       " 'wasn',\n",
       " \"wasn't\",\n",
       " 'weren',\n",
       " \"weren't\",\n",
       " 'won',\n",
       " \"won't\",\n",
       " 'wouldn',\n",
       " \"wouldn't\"]"
      ]
     },
     "execution_count": 30,
     "metadata": {
      "tags": []
     },
     "output_type": "execute_result"
    }
   ],
   "source": [
    "nltk.corpus.stopwords.words(\"english\") \n",
    "#znaki przystankowe w języku angielskim - nie zmienają sensu wypowiedzi - należy też usunąć"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "Psn1z8D8H_e6"
   },
   "outputs": [],
   "source": [
    "TitleText = [[w for w in a if w not in nltk.corpus.stopwords.words(\"english\")] for a in TitleText]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "ok9vQsjdH_e-"
   },
   "outputs": [],
   "source": [
    "stemmer = nltk.PorterStemmer()\n",
    "TitleText = [[stemmer.stem(w) for w in a] for a in TitleText]\n",
    "#zmiana słow na macierzyste  stemmery usuwają morfologiczne oznaczenia ze słów,\n",
    "#pozostawiając tylko słowo macierzyste"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "0YYWf8wSH_fA"
   },
   "outputs": [],
   "source": [
    "TitleText = [' '.join(x) for x in TitleText]\n",
    "# ponownie połącznie tytułów po wyczyszczeniu danych"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 1000
    },
    "colab_type": "code",
    "id": "Bag9qyhM3AjX",
    "outputId": "fe4ee26e-93b7-4620-c970-9ced1607b450"
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['what caribbean cruis octob',\n",
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       " 'doe singapor airlin offer reward seat ewr-sin rout',\n",
       " 'what easiest transport use throughout romania foreign',\n",
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       " 'Is good websit plan trip via train europ',\n",
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       " 'hodophobia ... scare thing go place danger',\n",
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       " 'In malaysia I deal taxi driver want go off-met',\n",
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       " \"what 's address guesthous bulgaria\",\n",
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       " 'are schedul flight connect oper helicopt',\n",
       " 'Do EU passeng right also appli flight oper code-shar non-eu base airlin',\n",
       " \"OK 're adult realli earth I use squat toilet\",\n",
       " \"dual nation EU australian doe matter passport `` travel ''\",\n",
       " \"deal 'unclean hand travel 're left-hand\",\n",
       " 'how travel california cat',\n",
       " 'round trip flight wife share return flight',\n",
       " 'vomitorium onli common german-speak world',\n",
       " 'Do mexican bu line provid internet access',\n",
       " 'sightse famili london',\n",
       " 'name georgian lemonad',\n",
       " 'recommend snorkel great barrier reef',\n",
       " 'travel guid cover intern e-road network',\n",
       " 'Do american atm charg extra fee cash withdraw foreign card',\n",
       " 'Is possibl exchang australian dollar new zealand',\n",
       " 'wildlif tourist destin franc',\n",
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       " 'use occupi wall street travel hack downsid',\n",
       " \"what 's easternmost place asia\",\n",
       " 'most remot exclav',\n",
       " 'long term vacat falkland island',\n",
       " 'Is realist backpack trip europ',\n",
       " 'how go backpack europ first time',\n",
       " 'what earth yet explor',\n",
       " 'how mani countri world travel',\n",
       " 'unit premier member continent flight oper unit',\n",
       " 'Do canadian atm charg extra fee cash withdraw foreign card',\n",
       " 'what option transport around great plain US',\n",
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       " 'Is two week enough time drive tallinn stockholm enough time visit major citi along way',\n",
       " 'whi would wrap luggag plastic',\n",
       " 'snorkel southern japan',\n",
       " 'weather hitchhik camp iran novemb march',\n",
       " 'how I get free hostelworld gold card',\n",
       " 'pick-up soccer dublin',\n",
       " 'what good design galleri museum see stockholm',\n",
       " \"whi nynäshamn de facto `` port '' stockholm\",\n",
       " 'car hire nyc',\n",
       " 'how get telavi tbilisi public transport',\n",
       " 'ofii form franc',\n",
       " 'whi exactli import forget towel hitchhik',\n",
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       " 'annular solar eclips adak island may 2012 airfar help',\n",
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       " \"Is museum anywher least partli rubik 's cube ernő rubik\",\n",
       " \"are place world actual `` travel '' airship zeppelin etc not tour joyrid\",\n",
       " 'camp nation park sri lanka',\n",
       " 'sell pair blue jean live like king week still possibl europ',\n",
       " 'are open air hot spring natur set mountain georgia countri',\n",
       " 'Is standard power adaptor use airplan',\n",
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       " 'k-18 ticket finland',\n",
       " 'travel use underground tube london',\n",
       " 'Do I pay traffic fine issu foreign govern',\n",
       " 'are countri netherland support hitchhik',\n",
       " 'are trains/bus within EU non-smok what smoke platform',\n",
       " \"what option `` disabl '' assist heathrow airport london airport best\",\n",
       " \"how big `` big '' airlin seat At point requir buy two ticket\",\n",
       " 'laptop search custom UK US',\n",
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       " 'are way keep long-dist land transport cost franc plan advanc',\n",
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       " 'overland egypt without carnet de passag',\n",
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       " 'are certain day week week month bar major holiday gener cheapest flight',\n",
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       " 'what sign bed bug infest',\n",
       " 'what kind car I need travel along panamerica',\n",
       " 'Is afghanistan danger travel',\n",
       " 'theatre/mus activ washington DC',\n",
       " 'how weather cuba january/february/march',\n",
       " 'place cheapest accommod schengen area',\n",
       " 'what best place eat fun aruba',\n",
       " 'how I estim crime rate cuba',\n",
       " 'Is expens buy airlin ticket togeth separ',\n",
       " 'how well foreign cell phone work japan',\n",
       " 'what effici way pack bag',\n",
       " \"are still `` cheap '' option fli australia mexico without go US\",\n",
       " 'best smartphon data plan south korea',\n",
       " 'how get visa iran',\n",
       " \"what 's good substitut pocket knife carri on-board plane\",\n",
       " 'how I verifi locat countri unreli mail',\n",
       " 'travel two differ passport',\n",
       " 'can cat make hike companion',\n",
       " '5 hour amsterdam',\n",
       " 'truck rental mexico pick-up u.s. drop-off',\n",
       " 'what safe overland rout europ india use public transport',\n",
       " 'exchang albanian money euro outsid albania',\n",
       " 'boracay chines new year',\n",
       " 'car rental sydney airport town',\n",
       " 'romant restaur ski area austria',\n",
       " 'roadtrip southeastern europ much 4 week',\n",
       " 'can buy duti free kuala lumpur travel australia',\n",
       " 'what least visit countri tourist',\n",
       " 'what effect seek luggag damag compens aiport airlin',\n",
       " 'greyhound I ensur I get seat bu I want use',\n",
       " 'Is possibl climb uluru ayer rock',\n",
       " \"'one laptop per child'- like organis\",\n",
       " 'visit island around cuba',\n",
       " 'appli schengen visa within UK',\n",
       " 'what I do/visit qatar 8 hour',\n",
       " 'drive germani easter weekend',\n",
       " 'get frankfurt-hahn airport saarbrücken germani',\n",
       " 'place stop along sydney brisban railway',\n",
       " 'what happen arriv malaysia one-way ticket ask proof onward travel',\n",
       " 'under condit I buy extra ticket luggag public transport sofia',\n",
       " \"travel sicili budget without driver 's licens\",\n",
       " 'car rental japan',\n",
       " 'car rental vs. buy car 1 month visit usa',\n",
       " 'can anyon recommend interest 2 3 day cycl vietnam',\n",
       " 'Is way check condit plane ticket actual travel agent said',\n",
       " \"are way call `` intern '' toll-fre phone number\",\n",
       " 'legal safeti concern visit prostitut amsterdam',\n",
       " 'I tattoo can I visit public swim pool japan',\n",
       " 'refin itinerari eastern europ',\n",
       " 'Is recommend get vaccin visit india',\n",
       " 'are dog allow trans-siberian railway',\n",
       " 'are electr outlet sleeper car california zephyr',\n",
       " 'how I cancel ticket bought czech airlin webpag',\n",
       " 'can I see lebanon cypru',\n",
       " 'Is specif flatshar site cover scotland',\n",
       " 'marco polo airport transfer venic',\n",
       " 'join mile high club mhc can I get troubl',\n",
       " 'direct go australia -- chang',\n",
       " 'intern transfer tel aviv',\n",
       " 'Is possibl walk excel london citi airport',\n",
       " 'which organ are/hav effect lobbi invas airport secur',\n",
       " 'are transport option costa rica share travel',\n",
       " 'how I go thermal bath merano',\n",
       " 'chang passport detail flight',\n",
       " 'Is worth leav hotel verona januari 1st',\n",
       " 'when I choic I choos travel airbu 340/330 boe 777',\n",
       " 'how scuba dive compar coff harbour byron bay',\n",
       " 'can immigr author make cross check multipl passport german person',\n",
       " 'from sfo san jose lot luggag',\n",
       " 'tromsø aurora boreali march',\n",
       " 'what isra street food dish',\n",
       " 'fli desktop comput check luggag',\n",
       " 'buy sim card heathrow',\n",
       " 'how manage/stor luggag afternoon hong kong',\n",
       " 'what expect chines custom bring item friend live',\n",
       " 'how I get tourist visa/card cuba',\n",
       " 'amus park tokyo area',\n",
       " 'are stone eleph shanghai',\n",
       " 'where I travel europ I want climb high mountain without equip',\n",
       " 'Is van good base visit turkey kurdistan',\n",
       " 'backpack europ first time',\n",
       " 'where thailand I cautiou malaria',\n",
       " 'how choos good restaur switzerland',\n",
       " 'how pay chines custom duti',\n",
       " 'curonian spit kaliningrad',\n",
       " 'catch snow southern california',\n",
       " 'celebr christma bethlehem palestin',\n",
       " 'how long passport need valid return UK',\n",
       " 'child travel differ nation passport mom',\n",
       " 'christma market trentino-alto adig',\n",
       " 'silvest parti bratislava',\n",
       " 'best time visit curonian spit',\n",
       " \"what 's canadian equival super safemov u-haul truck canada\",\n",
       " 'what place offer good scuba dive surf',\n",
       " 'sacr mountain japan',\n",
       " 'newbi snowboard option coupl day far stockholm',\n",
       " 'accommod larg group cairn novemb 2012',\n",
       " 'are compani offer worldwid wifi roam fix fee',\n",
       " 'how I buy train ticket within UK abroad',\n",
       " 'which airport interest pilot',\n",
       " 'Do season flight trondheim edinburgh london part UK exist',\n",
       " 'internet servic multipl peopl',\n",
       " 'doe canadian need visa pass cambodia lao back',\n",
       " 'top destin southern lao get cambodia',\n",
       " 'how cope dri hand crack skin travel cold locat',\n",
       " 'what cloth I bring chicago new year eve',\n",
       " 'Is possibl cross bere strait without fli',\n",
       " 'can I make interest rout spain switzerland 2-4 day journey',\n",
       " 'which main spa bath switzerland characterist',\n",
       " 'which cheapest ski resort alp',\n",
       " 'what museum attract london offer interact exhibit blind peopl',\n",
       " 'doe french passport holder requir US visa busi trip',\n",
       " 'where could I find greenland map',\n",
       " 'where someon see flow lava roughli easter time',\n",
       " 'Is cheaper get cuba miami cancún',\n",
       " 'how find car rental compani kalibo philippin',\n",
       " \"search bikeabl offens town name europ like `` fuck ''\",\n",
       " \"what 's best way foreign outsid UK get english premier leagu game\",\n",
       " 'flight/train combo europ toronto/vancouv',\n",
       " 'central asia 2012 tajikistan kyrgyzstan',\n",
       " 'Is way spend night european castl',\n",
       " 'can I learn ski jump japan',\n",
       " 'build igloo camp allow switzerland/liechtenstein',\n",
       " 'are christma market switzerland',\n",
       " 'cost US cell phone user receiv intern call',\n",
       " 'can I pack cardboard box check luggag',\n",
       " \"what `` fragil '' sticker check baggag\",\n",
       " 'what best way get airport center bueno air',\n",
       " 'how I contact visa card offic georgia the countri caucasu',\n",
       " 'how I schedul medic travel multipl time zone',\n",
       " 'would recommend get dar discount argentina card bueno air salta',\n",
       " 'how long take global entri applic approv',\n",
       " 'how vip servic work managua airport',\n",
       " 'Is powerstrip accomod AC power plug',\n",
       " 'casual restaur recommend bueno air',\n",
       " 'Is accur map silk rout still practic',\n",
       " 'from san francisco airport south bay public transit',\n",
       " 'get around kyushu fukuoka nagasaki beppu',\n",
       " 'snowfal sea level closest equat',\n",
       " 'turkey sea-sid cottag',\n",
       " 'inspect over-pack bag',\n",
       " \"travel health insur count `` credibl coverag ''\",\n",
       " 'what best way pack suit reduc creas',\n",
       " \"can `` conch republ '' passport actual use anyth\",\n",
       " 'Do indian flight go bangkok',\n",
       " 'what wild camp regul iceland',\n",
       " \"Is safe drive morocco n't understand arab\",\n",
       " '100 year sinc south pole expedit how reach tourist',\n",
       " 'learn sail sydney',\n",
       " 'are oil platform could visit tourist',\n",
       " 'where interest place wildlif nature-view and/or histor site north finland norway sweden',\n",
       " 'how earli get airport US',\n",
       " 'Is possibl camp russia tourist visa',\n",
       " 'where park car near hirtshal denmark',\n",
       " 'prevent smash grab theft travel',\n",
       " 'boat access galapago island',\n",
       " 'can I drive cuenca quito',\n",
       " 'visit volcano ecuador',\n",
       " \"how 's view somerset hous 's terrac\",\n",
       " 'Is cheaper buy tour galápago island home ecuador',\n",
       " 'where I eat guinea pig ecuador',\n",
       " 'Is worth go mount kenya one day',\n",
       " 'Is monument I visit ecuador mark center earth',\n",
       " 'whi need take laptop bag airport secur check',\n",
       " 'what option I scenic long-dist train journey north america last 2 night',\n",
       " 'can I travel north korea overland via train',\n",
       " 'which border cross I take ecuador peru',\n",
       " 'via ferrata pyrene',\n",
       " 'Is feasibl adventur independ travel visit chechnya',\n",
       " 'should I book thailand rail ticket onlin pre-trip station I arriv',\n",
       " 'gluten-fre eat peru',\n",
       " 'what offroad regul UK',\n",
       " 'bath london christma day',\n",
       " 'eurotrip temporari job 1 year',\n",
       " 'chiang mai trek without eleph ride',\n",
       " 'how I sure oper treat eleph human book trek khao sok nation park',\n",
       " ...]"
      ]
     },
     "execution_count": 34,
     "metadata": {
      "tags": []
     },
     "output_type": "execute_result"
    }
   ],
   "source": [
    "TitleText"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "qf7916c4H_fE"
   },
   "outputs": [],
   "source": [
    "from sklearn.feature_extraction.text import CountVectorizer"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 51
    },
    "colab_type": "code",
    "id": "gXENizdgH_fH",
    "outputId": "49ea1799-ab69-4b79-b365-11b42286bd84"
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "<40707x5264 sparse matrix of type '<class 'numpy.int64'>'\n",
       "\twith 283479 stored elements in Compressed Sparse Row format>"
      ]
     },
     "execution_count": 36,
     "metadata": {
      "tags": []
     },
     "output_type": "execute_result"
    }
   ],
   "source": [
    "c = CountVectorizer(token_pattern='(?u)\\\\b\\\\w+\\\\b',min_df=3,max_df=0.5)\n",
    "\n",
    "# '(?u)\\\\b\\\\w+\\\\b' - domyslnie jest regex, ktory wyciag slowa przynajmniej dwuliterowe\n",
    "\n",
    "dtm = c.fit(TitleText)\n",
    "art = dtm.transform(TitleText)\n",
    "art"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 1000
    },
    "colab_type": "code",
    "id": "-9XDlkkGH_fJ",
    "outputId": "0d7ecf3e-d361-4101-9900-48a5eb4bbbf4"
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "{'what': 5116,\n",
       " 'caribbean': 878,\n",
       " 'cruis': 1238,\n",
       " 'octob': 3239,\n",
       " 'how': 2220,\n",
       " 'i': 2241,\n",
       " 'find': 1806,\n",
       " 'guid': 2065,\n",
       " 'take': 4568,\n",
       " 'safe': 3997,\n",
       " 'amazon': 328,\n",
       " 'jungl': 2496,\n",
       " 'doe': 1451,\n",
       " 'singapor': 4236,\n",
       " 'airlin': 271,\n",
       " 'offer': 3247,\n",
       " 'reward': 3899,\n",
       " 'seat': 4084,\n",
       " 'ewr': 1684,\n",
       " 'sin': 4233,\n",
       " 'rout': 3962,\n",
       " 'easiest': 1540,\n",
       " 'transport': 4780,\n",
       " 'use': 4930,\n",
       " 'throughout': 4670,\n",
       " 'romania': 3945,\n",
       " 'foreign': 1872,\n",
       " 'visit': 5022,\n",
       " 'antarctica': 365,\n",
       " 'best': 631,\n",
       " 'way': 5085,\n",
       " 'get': 1977,\n",
       " 'airport': 276,\n",
       " 'must': 3085,\n",
       " 'destin': 1367,\n",
       " 'first': 1820,\n",
       " 'time': 4693,\n",
       " 'trip': 4798,\n",
       " 'argentina': 417,\n",
       " 'when': 5119,\n",
       " 'travel': 4782,\n",
       " 'countri': 1198,\n",
       " 'differ': 1392,\n",
       " 'currenc': 1252,\n",
       " 'money': 3024,\n",
       " 'obtain': 3230,\n",
       " 'visa': 5019,\n",
       " 'trans': 4769,\n",
       " 'siberian': 4204,\n",
       " 'mongolian': 3026,\n",
       " 'railway': 3730,\n",
       " 'where': 5122,\n",
       " 'up': 4912,\n",
       " 'to': 4709,\n",
       " 'd': 1267,\n",
       " 'inform': 2334,\n",
       " 'strike': 4443,\n",
       " 'peru': 3458,\n",
       " 'bolivia': 686,\n",
       " 'is': 2416,\n",
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       " 'outsid': 3325,\n",
       " 'techniqu': 4606,\n",
       " 'otherwis': 3315,\n",
       " 'crimea': 1228,\n",
       " 'ukrain': 4850,\n",
       " 'bicycl': 639,\n",
       " 'perman': 3451,\n",
       " 'marker': 2875,\n",
       " 'penalti': 3433,\n",
       " 'overstay': 3340,\n",
       " 'venic': 4975,\n",
       " 'stop': 4425,\n",
       " 'rather': 3744,\n",
       " 'courier': 1205,\n",
       " 'discount': 1414,\n",
       " 'fare': 1755,\n",
       " 'deliv': 1335,\n",
       " 'upon': 4917,\n",
       " 'mode': 3013,\n",
       " 'ban': 551,\n",
       " 'ryanair': 3986,\n",
       " 'worldwid': 5183,\n",
       " 'role': 3940,\n",
       " 'degre': 1329,\n",
       " 'kindl': 2544,\n",
       " 'onboard': 3272,\n",
       " 'museum': 3081,\n",
       " 'stockholm': 4421,\n",
       " 'children': 991,\n",
       " 'version': 4986,\n",
       " 'louvr': 2776,\n",
       " 'type': 4838,\n",
       " 'write': 5191,\n",
       " 'pen': 3432,\n",
       " 'suit': 4482,\n",
       " 'name': 3102,\n",
       " 'block': 673,\n",
       " 'sticker': 4417,\n",
       " 'headlight': 2133,\n",
       " 'tajikistan': 4566,\n",
       " 'nearbi': 3122,\n",
       " '2': 39,\n",
       " 'indonesian': 2323,\n",
       " 'indonesia': 2322,\n",
       " 'happen': 2110,\n",
       " 'traffic': 4759,\n",
       " 'fine': 1808,\n",
       " 'strategi': 4437,\n",
       " 'frequenc': 1909,\n",
       " 'nicaragua': 3152,\n",
       " 'bishkek': 658,\n",
       " 'option': 3294,\n",
       " 'debit': 1302,\n",
       " 'atm': 461,\n",
       " 'lowest': 2780,\n",
       " 'usd': 4929,\n",
       " 'nicaraguan': 3153,\n",
       " 'rate': 3743,\n",
       " 'out': 3318,\n",
       " 'job': 2474,\n",
       " 'relat': 3820,\n",
       " 'minim': 2988,\n",
       " 'jet': 2462,\n",
       " 'lag': 2607,\n",
       " 'recharg': 3773,\n",
       " 'ov': 3328,\n",
       " 'chipkaart': 999,\n",
       " 'dutch': 1520,\n",
       " 'bank': 559,\n",
       " 'giant': 1983,\n",
       " 'sanctuari': 4021,\n",
       " 'chengdu': 980,\n",
       " 'guitar': 2070,\n",
       " 'ireland': 2410,\n",
       " 'top': 4734,\n",
       " 'toddler': 4715,\n",
       " 'passabl': 3399,\n",
       " 'earli': 1531,\n",
       " 'caucasu': 910,\n",
       " 'mongolia': 3025,\n",
       " 'home': 2188,\n",
       " 'includ': 2301,\n",
       " 'campsit': 847,\n",
       " 'seattl': 4086,\n",
       " 'space': 4343,\n",
       " 'needl': 3127,\n",
       " 'locat': 2748,\n",
       " 'close': 1045,\n",
       " 'cambodia': 834,\n",
       " 'abkhazia': 175,\n",
       " 'ossetia': 3312,\n",
       " 'monument': 3036,\n",
       " 'big': 642,\n",
       " 'shipment': 4180,\n",
       " 'comput': 1116,\n",
       " 'infant': 2329,\n",
       " 'similar': 4227,\n",
       " 'zanzibar': 5245,\n",
       " 'return': 3887,\n",
       " 'date': 1287,\n",
       " 'tokyo': 4721,\n",
       " 'val': 4949,\n",
       " 'di': 1383,\n",
       " 'sole': 4314,\n",
       " 'contact': 1151,\n",
       " 'consular': 1147,\n",
       " 'support': 4503,\n",
       " 'famili': 1749,\n",
       " 'nation': 3113,\n",
       " 'green': 2039,\n",
       " 'lotteri': 2772,\n",
       " 'mean': 2912,\n",
       " 'almati': 311,\n",
       " 'novosibirsk': 3202,\n",
       " 'next': 3148,\n",
       " 'ulaanbaatar': 4854,\n",
       " 'ulan': 4855,\n",
       " 'bator': 581,\n",
       " 'playa': 3524,\n",
       " 'carmen': 879,\n",
       " 'effici': 1564,\n",
       " 'bueno': 778,\n",
       " 'iguazu': 2263,\n",
       " 'fall': 1747,\n",
       " 'australian': 484,\n",
       " 'incur': 2309,\n",
       " 'oversea': 3339,\n",
       " 'singaporean': 4237,\n",
       " 'student': 4451,\n",
       " 'surrend': 4515,\n",
       " 'entertain': 1620,\n",
       " 'stopov': 4426,\n",
       " 'pittsburgh': 3505,\n",
       " 'pa': 3352,\n",
       " 'chicago': 987,\n",
       " 'daili': 1270,\n",
       " 'kul': 2586,\n",
       " 'facil': 1740,\n",
       " 'tuesday': 4818,\n",
       " 'centr': 931,\n",
       " 'attract': 467,\n",
       " 'room': 3952,\n",
       " 'low': 2778,\n",
       " 'tactic': 4556,\n",
       " 'harass': 2112,\n",
       " 'corrupt': 1186,\n",
       " 'marri': 2879,\n",
       " 'madrid': 2817,\n",
       " 'look': 2763,\n",
       " 'afford': 242,\n",
       " 'group': 2050,\n",
       " 'hous': 2217,\n",
       " 'friend': 1913,\n",
       " 'unplan': 4903,\n",
       " 'backpack': 523,\n",
       " 'sever': 4143,\n",
       " 'fre': 1900,\n",
       " 'entri': 1624,\n",
       " '360': 99,\n",
       " 'x': 5201,\n",
       " 'ray': 3748,\n",
       " 'report': 3850,\n",
       " 'show': 4194,\n",
       " 'grandpar': 2030,\n",
       " 'give': 1990,\n",
       " 'engin': 1606,\n",
       " 'set': 4138,\n",
       " 'approxim': 401,\n",
       " 'price': 3616,\n",
       " 'rang': 3739,\n",
       " 'sanya': 4028,\n",
       " 'southern': 4337,\n",
       " 'cathay': 908,\n",
       " 'pacif': 3354,\n",
       " 'astana': 449,\n",
       " 'agent': 252,\n",
       " 'leav': 2665,\n",
       " 'victoria': 4997,\n",
       " 'brazil': 733,\n",
       " 'africa': 245,\n",
       " 'forest': 1873,\n",
       " 'wifi': 5144,\n",
       " 'rock': 3936,\n",
       " 'freiburg': 1906,\n",
       " 'secur': 4094,\n",
       " 'club': 1051,\n",
       " 'local': 2747,\n",
       " 'band': 553,\n",
       " 'b1': 516,\n",
       " 'b2': 517,\n",
       " 'purpos': 3685,\n",
       " 'bc': 586,\n",
       " 'novemb': 3201,\n",
       " 'compens': 1103,\n",
       " 'flag': 1829,\n",
       " 'web': 5092,\n",
       " 'wild': 5146,\n",
       " 'swiss': 4535,\n",
       " 'peak': 3424,\n",
       " 'februari': 1771,\n",
       " 'weather': 5091,\n",
       " 'legal': 2673,\n",
       " 'reliabl': 3826,\n",
       " 'hotel': 2213,\n",
       " 'softwar': 4307,\n",
       " 'norway': 3187,\n",
       " 'significantli': 4220,\n",
       " 'expens': 1709,\n",
       " 'cellphon': 926,\n",
       " 'gift': 1985,\n",
       " 'host': 2209,\n",
       " 'apart': 381,\n",
       " 'full': 1925,\n",
       " 'dolomit': 1455,\n",
       " 'hotspot': 2215,\n",
       " 'authent': 487,\n",
       " 'oppos': 3290,\n",
       " 'overcrowd': 3333,\n",
       " 'transact': 4770,\n",
       " 'irkutsk': 2412,\n",
       " 'bassinet': 578,\n",
       " 'dine': 1398,\n",
       " 'impos': 2286,\n",
       " 'invit': 2391,\n",
       " 'church': 1007,\n",
       " 'moscow': 3043,\n",
       " 'pleas': 3525,\n",
       " 'organ': 3302,\n",
       " 'scienc': 4061,\n",
       " 'phd': 3470,\n",
       " 'grant': 2031,\n",
       " 'bodi': 682,\n",
       " 'reykjavík': 3901,\n",
       " 'euroairport': 1658,\n",
       " 'basel': 575,\n",
       " 'suffici': 4478,\n",
       " 'anti': 367,\n",
       " 'mosquito': 3045,\n",
       " 'lavend': 2646,\n",
       " 'petra': 3465,\n",
       " 'sri': 4379,\n",
       " 'lanka': 2621,\n",
       " 'manchest': 2856,\n",
       " 'appropri': 399,\n",
       " 'palm': 3370,\n",
       " 'macedonia': 2809,\n",
       " 'spent': 4359,\n",
       " 'dubai': 1504,\n",
       " 'sand': 4022,\n",
       " 'carry': 889,\n",
       " 'consider': 1141,\n",
       " 'repercuss': 3846,\n",
       " 'isra': 2422,\n",
       " 'edinburgh': 1558,\n",
       " 'rural': 3979,\n",
       " 'plac': 3510,\n",
       " 'dead': 1298,\n",
       " 'iranian': 2406,\n",
       " 'kuwaiti': 2590,\n",
       " 'pose': 3565,\n",
       " 'futur': 1932,\n",
       " 'sweden': 4530,\n",
       " 'anywher': 379,\n",
       " 'help': 2148,\n",
       " 'divid': 1439,\n",
       " 'deck': 1313,\n",
       " 'athen': 457,\n",
       " 'loung': 2775,\n",
       " 'neighborhood': 3131,\n",
       " 'montreal': 3035,\n",
       " 'compar': 1098,\n",
       " 'avail': 497,\n",
       " 'f1': 1736,\n",
       " 'non': 3173,\n",
       " 'eu': 1654,\n",
       " 'cover': 1210,\n",
       " 'durat': 1515,\n",
       " 'pakistani': 3365,\n",
       " 'frequent': 1910,\n",
       " 'flyer': 1854,\n",
       " 'join': 2479,\n",
       " 'park': 3389,\n",
       " 'bird': 654,\n",
       " 'eye': 1733,\n",
       " 'morocco': 3042,\n",
       " '2011': 50,\n",
       " 'my': 3088,\n",
       " 'record': 3782,\n",
       " 'oxford': 3348,\n",
       " 'natur': 3115,\n",
       " 'architectur': 412,\n",
       " 'photo': 3480,\n",
       " ...}"
      ]
     },
     "execution_count": 37,
     "metadata": {
      "tags": []
     },
     "output_type": "execute_result"
    }
   ],
   "source": [
    "dtm.vocabulary_\n",
    "#Mamy tu do czynienia z macierzami rzadkimi - wymagają specjalnej obsługi, bo w normalnej postaci byłyby za duże."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "NUPegEs_H_fM"
   },
   "outputs": [],
   "source": [
    "def top_words(M,dtm,k):\n",
    "    words = np.array(dtm.get_feature_names())\n",
    "    return(np.array([words[np.squeeze(np.array(np.argsort(M[i,:].todense())))[-k:]] for i in range(M.shape[0])]))\n",
    "#macierz ze słowami, w której i-ty wiersz przechowuje k najczęstszych słów z i-tego tytulu postu.\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "B2PvAOO0H_fO"
   },
   "outputs": [],
   "source": [
    "topWords=top_words(art,dtm,5)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 51
    },
    "colab_type": "code",
    "id": "dD4No6uzpg9V",
    "outputId": "6ab13d26-b0c7-4706-f136-18024ade3733"
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array(['what', 'transport', 'easiest', 'throughout', 'romania'],\n",
       "      dtype='<U21')"
      ]
     },
     "execution_count": 46,
     "metadata": {
      "tags": []
     },
     "output_type": "execute_result"
    }
   ],
   "source": [
    "topWords[3]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 54
    },
    "colab_type": "code",
    "id": "ggnb50gLqGbL",
    "outputId": "3f1747af-f182-4ce0-c118-2c06a81cb1bd"
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "\"<p>another definition question that interested me was: what is the easiest transportation to use throughout romania for a foreigner?  i plan to visit at some point but i'm still relatively ignorant of how to get about.  i'm particularly interested in more rural areas and the mountains (the difficulty of crossing which i am also ignorant of).</p>\\n\""
      ]
     },
     "execution_count": 47,
     "metadata": {
      "tags": []
     },
     "output_type": "execute_result"
    }
   ],
   "source": [
    "PostsText[3]"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "colab_type": "text",
    "id": "fsPHxHEW30nl"
   },
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 34
    },
    "colab_type": "code",
    "id": "eWGVcUifqUSu",
    "outputId": "7768b9a2-d77d-434c-9559-2f99fc235b05"
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'how I find guid take safe amazon jungl'"
      ]
     },
     "execution_count": 43,
     "metadata": {
      "tags": []
     },
     "output_type": "execute_result"
    }
   ],
   "source": [
    "TitleText[1]"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "colab_type": "text",
    "id": "J3JazR1mH_fj"
   },
   "source": [
    "# Analiza #2 Ilu użytkowników jest z danego kraju?"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {},
    "colab_type": "code",
    "id": "38fNJ3bhH_fj"
   },
   "outputs": [],
   "source": [
    "df=pd.DataFrame(Users.groupby('Location').size().nlargest(5))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 0,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 408
    },
    "colab_type": "code",
    "id": "2qucExBiH_fl",
    "outputId": "b0130302-6c9b-4ef7-8eba-32658b73fcf1"
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "Text(0, 0.5, 'n')"
      ]
     },
     "execution_count": 49,
     "metadata": {
      "tags": []
     },
     "output_type": "execute_result"
    },
    {
     "data": {
      "image/png": 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3Br7G0Fxe9NBA0CB2bN8f0WsVPdvARkG70a1oeeLsV6QRMWcXPXTISBpQkr3X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\n/H+m+AbN0MXFagAAAABJRU5ErkJggg==\n",
      "text/plain": [
       "<Figure size 432x288 with 1 Axes>"
      ]
     },
     "metadata": {
      "tags": []
     },
     "output_type": "display_data"
    }
   ],
   "source": [
    "ax = df.plot.bar(rot=90)\n",
    "\n",
    "\n",
    "ax.set_xlabel(\"Location\", fontsize=8)\n",
    "ax.set_ylabel(\"n\", fontsize=8)\n",
    "\n"
   ]
  }
 ],
 "metadata": {
  "colab": {
   "name": "Przykaladowy projekt.ipynb",
   "provenance": []
  },
  "kernelspec": {
   "display_name": "Python 3",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.8.2"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 1
}