{
    "task_name": "3_plates_fixed3 ",
    "data_folder": "",
    "meta_data": {
        "task_duration": 2109,
        "valid_duration": [
            0,
            2109
        ]
    },
    "sub_task_annotation": [
        {
            "sub_task_idx": 0,
            "sub_task_instruction": "Place gray plate #1 to the first (very left) slot.",
            "frame_duration": [
                0,
                659
            ]
        },
        {
            "sub_task_idx": 1,
            "sub_task_instruction": "Place blue plate #2 to the third slot, which a slot after the gray plate.",
            "frame_duration": [
                659,
                1394
            ]
        },
        {
            "sub_task_idx": 2,
            "sub_task_instruction": "Place green plate #3 to the fifth slot, which a slot after the blue plate.",
            "frame_duration": [
                1394,
                2109
            ]
        }
    ]
}