{"subtask_index": 0, "subtask": "Grasp the kitchen knife with the right gripper"}
{"subtask_index": 1, "subtask": "Place the kitchen knife back on the knife holder with the right gripper"}
{"subtask_index": 2, "subtask": "End"}
{"subtask_index": 3, "subtask": "Cut scallions with the right gripper"}
{"subtask_index": 4, "subtask": "Press the scallion with the left gripper"}
{"subtask_index": 5, "subtask": "null"}