{"answers": "C", "options": ["f : professor xu 's lecture is so difficult that so few people can understand .", "f : professor brown 's course maybe not interesting but many students like to listening to it , they always stay awake in the class .", "f : i 'm not interesting in professor brown 's course just like other students .", "f : there is so few students attend professor brown 's class , they just stay at their dormitory ."], "article": "f : you are taking a course with professor brown . what 's your impression so far ? m : to tell you the truth , many students could hardly stay awake in this class without first drinking a couple of coffee .", "id": "train_6765"}