{"answers": " ", "options": ["m : you should cheack at 4:50 .", "m : oh , the flight 452 for boston will departure at 3:50 .", "m : oh , i should check at 3:50 .", "m : all the passengers should check at 5:50 ."], "article": "m : miss , what time is flight 452 for boston due to departure ? f : it leaves at 4:50 , but you check in one hour ahead of the departure time .", "id": "test_821"}