{"answers": "B", "options": ["m : i did n't practice singing last night because i caught a cold , which is why you can hardly recognize my voice .", "m : yeah , you hardly recognize my voice because i had hurt my voice .", "m : i did n't practice singing last night . you can hardly recognize my voice because the phone did n't work well .", "m : although i did not practice singing last night , you hardly recognize my voice because i had hurt my voice ."], "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 ?", "id": "train_4289"}