{"subtask_index": 0, "subtask": "End."}
{"subtask_index": 1, "subtask": "Grasp the beverage bottle placed at the back of the desk."}
{"subtask_index": 2, "subtask": "Place the drink at the front of the table."}
{"subtask_index": 3, "subtask": "Pick up the drink."}
{"subtask_index": 4, "subtask": "Place the beverage bottle to the front of the table."}
{"subtask_index": 5, "subtask": "null."}