{"answers": "D", "options": ["f : which line of bus you will take ?", "f : it 's a tourist season . there are so many people at the airport .", "f : how many double rooms do you have in your hotel ?", "f : where do i check in and board the plane ?"], "article": "m : wow , what a long line behind us . seems like chinese people are all here . f : i can understand . i mean it is more convenient taking a flight back home town during the spring festival . m : oh , it 's your turn to check in .", "id": "train_5255"}