{
    "id": "tokyo",
    "question": "Do you like Tokyo?",
    "type": "hierarchical",
    "options": [
      {
        "label": "Yes",
        "value": "0"
      },
      {
        "label": "No",
        "value": "1"
      }
    ],
"hierarchicalOptions": [{
          "id": "Answer",
          "options": [{
              "value": "Expensive",
              "label": "Expensive"
            },
{"value": "Big",
 "label": "Big"
            }],
          "condition":{
            "id": "tokyo",
            "value": "1"
          }}]}