{"subtask_index": 0, "subtask": "Zip it up with your left hand."}
{"subtask_index": 1, "subtask": "Hold the zipper with your left hand."}
{"subtask_index": 2, "subtask": "end"}
{"subtask_index": 3, "subtask": "Grab the bag with your right hand."}
{"subtask_index": 4, "subtask": "Zip it up with your right hand."}
{"subtask_index": 5, "subtask": "Unzip it with your left hand."}
{"subtask_index": 6, "subtask": "Discard."}
{"subtask_index": 7, "subtask": "Grab the bag with your left hand."}
{"subtask_index": 8, "subtask": "Unzip it with your right hand."}
{"subtask_index": 9, "subtask": "null"}