{"subtask_index": 0, "subtask": "use the left arm to place the dumpling into the steamer."}
{"subtask_index": 1, "subtask": "Abnormal."}
{"subtask_index": 2, "subtask": "use the right arm to place the dumpling into the steamer."}
{"subtask_index": 3, "subtask": "Grasp the dumpling with left gripper."}
{"subtask_index": 4, "subtask": "End."}
{"subtask_index": 5, "subtask": "Place the dumpling on the steamer with right gripper."}
{"subtask_index": 6, "subtask": "use the left arm to pick up a dumpling."}
{"subtask_index": 7, "subtask": "Grasp the dumpling with right gripper."}
{"subtask_index": 8, "subtask": "use the right arm to pick up a dumpling."}
{"subtask_index": 9, "subtask": "Place the dumpling on the steamer with left gripper."}
{"subtask_index": 10, "subtask": "null."}