{"answers": "B", "options": ["f : ok. now i know where the physics 403 is . thanks for giving me the notice letter .", "f : physics 403 has been cancelled ? ok. thanks for checking on the computer .", "f : ok. you have checked the computer and found that the classroom of physics 403 has been changed ?", "f : thank you for confirming with the office . i need to go the the physics 403 now ."], "article": "f : excuse me , could you tell me where physics 403 is ? has it been moved ? m : ok. let me check on the computer . err i 'm sorry , but it says here that the class was cancelled . you should have got a notice letter about this .", "id": "train_1860"}