{"answers": "C", "options": ["f : ok. 20 people is enough for this party . you will have a good time .", "f : sorry , we can not have 15 people at our theater at the same time .", "f : ok , i see . 15 people will come to the conference . thanks .", "f : good . 50 people will at this concert . that is enough . thanks a lot ."], "article": "f : well , sir , we have asked all our guests to wear a jacket and a tie in our restaurant . m : i did n't know that , can i borrow a jacket and a tie now ? f : i am sorry . you ca n't borrow a jacket or a tie from others . m : that i have to return to the hotel and fetch mine . f : will you put off the time of the conference ? m : since you are the chairman we 'd like to offer you the convenience . what time will you come back ? f : i think i should be back at about 9:00 am . m : we 'll put it off to 9:30 am . what about that ? f : 9:30 am will be fine with me . thank you . m : you are welcome . f : by the way , how many people will attend the conference ? m : 15 .", "id": "train_715"}