{"answers": "D", "options": ["m : ok. i will find the reference books on the 4th floor .", "m : let me help you find the reference books on the 3rd floor .", "m : on the 1st floor ? that would be convenient .", "m : i 'll go to the 3rd floor to get the reference book . thanks ."], "article": "m : excuse me , where can i find the reference books ? f : they 're on the third floor .", "id": "train_5662"}