[
    {
        "time": 52.0,
        "subtask": "pick up the ice cube from ice bowl"
    },
    {
        "time": 68.0,
        "subtask": "place the ice cube in glas cup"
    },
    {
        "time": 0.0,
        "subtask": "open both the fridge doors"
    },
    {
        "time": 29.0,
        "subtask": "pick up the lemon wedge from the fridge"
    },
    {
        "time": 41.0,
        "subtask": "place the lemon wedge into the glass cup"
    }
]