{"answers": "B", "options": ["m : so , as a stewardess , you mean the flights are not fully booked on that day ?", "m : really ? as a booking clerk , you mean both flights have seats available ?", "m : really ? as a booking clerk , you mean they have one flights : at 9:30 am ?", "m : so , you mean as a customer , you mean the next available flight is on may third ?"], "article": "f : hello , china travel agency . can i help you ? m : yes , i 'd like to travel to london . so i want to make a reservation for me on may fourth . f : just a moment , please . i 'm sorry , but the flights are fully booked on that day . the next available flight is on may fifth . they have 2 flights : one at 9:30 am and the other at 2:00 pm . both flights have seats available .", "id": "train_3598"}