{"answers": "B", "options": ["m : really ? it 's expensive to rent a helmet ? and if i bring the bike back after 7:00 pm , i have to pay for the helmet ?", "m : ok , i see . you mean it 's free to rent a helmet . but if i bring the bike back after 7:00 pm , i can not get the 50 dollars back .", "m : really ? you mean you have no helmet ? and if i bring the bike back after 7:00 pm , i have to pay 100 dollars more ?", "m : to choose a motorcycle helmet for me ? that 's great ! and if i bring the bike back after 7:00 pm , i can not get the 50 dollars back , right ?"], "article": "m : i 'd like to rent a bike for a day . how much does it cost ? f : it 's $ 20 a day . a day is from 9 o'clock in the morning until 7 o'clock in the evening . m : so if i brought the bike back at 7:30 , would i have to pay for an extra day ? f : yes , and there 's a deposit to pay as well . it 's $ 50 . then when you bring the bike back , we 'll give you back the $ 50 . but if you did n't bring the bike back before 7:00 pm , we 'd keep the money of course . m : well . you do n't need to worry . i 'll surely bring the bike back at 5 o'clock . do you have helmets , by the way ? f : of course . it 's free to rent a helmet . let 's go and choose a bike and helmet for you .", "id": "train_1595"}