{"answers": "C", "options": ["f : you want me to buy you a glass ? but why did n't you practice singing last night ?", "f : although you want to have dinner with me , we have n't bought glasses together .", "f : so you want me to lend you a glass ?", "f : although you want me to lend you a glass , our glass is different ."], "article": "m : hello , could i speak to selina , please ? f : speaking . is that you , tom ? what 's wrong with your voice ? i hardly recognize your voice . m : i practice singing last night . i guess i practiced too hard . you know , it lasted from 7:00 to 9:00 last night . f : you must have hurt your voice . so what can i do for you ? m : well , bob and his girlfriend have returned from china . jenny and i invited them to come over and have dinner with us tonight . i 've just opened the box of glasses and there is one missing . then i remembered my son broke one about 2 months ago . i remember we bought the glasses together and you bought the same set of glasses . so can i borrow a glass from you ?", "id": "train_4291"}