{"subtask_index": 0, "subtask": "Abnormal"}
{"subtask_index": 1, "subtask": "Right hand: grab the plate with the hamburger"}
{"subtask_index": 2, "subtask": "Right hand: place the plate on the table"}
{"subtask_index": 3, "subtask": "Right hand: press the switch"}
{"subtask_index": 4, "subtask": "Right hand: place the plate in the microwave"}
{"subtask_index": 5, "subtask": "End"}
{"subtask_index": 6, "subtask": "Right hand: twist timer button"}
{"subtask_index": 7, "subtask": "Left hand: close the microwave door"}
{"subtask_index": 8, "subtask": "null"}