{
    "expr": "Phone{type: number[]}",
    "dataset": "dataset1",
    "bindings": {},
    "result": {
        "home": [
            "0203 544 1234"
        ],
        "office": [
            "01962 001234",
            "01962 001235"
        ],
        "mobile": [
            "077 7700 1234"
        ]
    }
}