{
  "type": "Train-MCQ",
  "instruction": "Choose the correct answer when the balloon is above the correct wagon to load the container, increase your score, and help the train move forward on its journey!",
  "attempts": 3,
  "Questions":[
    ["Q1","500 – 100 = ___ .","500,400,100,200","400"],
    ["Q2","500 – 200 = ___ .","200,300,400,500","300"],
    ["Q3","700 – 300 = ___ .","400,500,700,600","400"],
    ["Q4","650 – 100 = ___ .","550,600,100,450","550"],
    ["Q5","758 – 100 = ___ .","750,658,100,558","658"]
  ]
}