{"answers": "B", "options": ["m : be quiet ! it is a library ! you will disturb others .", "m : sure . is it a math class ?", "m : sure . thank god there are minutes left before the class , so i can go to the bathroom .", "m : sure . is our boss here ?"], "article": "f : peter , what 's the matter ? m : sorry . just now i went to the library to borrow some books . it cost me quite a long time . f : that 's ok. go back to your seat , the class is beginning .", "id": "train_7006"}