{"answers": "B", "options": ["m : i need to catch my plane now .", "m : sure . i 'm going to buy the air mail stamps first when i arrive at the post office .", "m : ok. i 'll buy some post cards from the post office for you .", "m : you want pork or beef ?"], "article": "m : i am going to the post office now . what would you like to have ? f : please get some air mail stamps .", "id": "train_5996"}