{
    "name": "economist_daily_chart_355.png",
    "vistype": "bar",
    "Q1": {
        "type": "0",
        "question": "What is the theme of this visualization?",
        "A": "World temperature",
        "B": "World population",
        "C": "World birth rate",
        "D": "I can not remember",
        "answer": "B"
    },
    "Q2": {
        "type": "2",
        "question": "Which is the earliest year displayed in this visualization?",
        "A": "1900",
        "B": "1950",
        "C": "2000",
        "D": "I can not remember",
        "answer": "B"
    },
    "Q3": {
        "type": "2",
        "question": "Which is the last year displayed in this visualization?",
        "A": "2050",
        "B": "2100",
        "C": "2150",
        "D": "I can not remember",
        "answer": "B"
    },
    "Q4": {
        "type": "4",
        "question": "What are the two classes in the X-axis?",
        "A": "Young and Old",
        "B": "Poor and Rich",
        "C": "Male and Female",
        "D": "I can not remember",
        "answer": "C"
    },
    "Q5": {
        "type": "2",
        "question": "What is the source?",
        "A": "UK",
        "B": "US",
        "C": "UN",
        "D": "I can not remember",
        "answer": "C"
    }
}