{"answers": "D", "options": ["f : you went to beijing by bus ? that must be very long time .", "f : you were very lucky to find a train which was not crowded .", "f : you went to beijing by plane ? how was your flight ?", "f : you went to beijing by train ? that must be very long time ."], "article": "f : how was your trip to beijing ? m : tiring . there were too many people there . i can hardly find any room to move my arms on the train . anyhow , i find beijing a beautiful city .", "id": "train_5605"}