{"answers": "B", "options": ["f : so , it started two days ago and you just had the camera for a week , right ?", "f : okay , i see . you bought it only a month ago and it is still under guarantee .", "f : really ? it is not under guarantee although you just had the camera half a month ?", "f : so , you just had the camera for a month but its screen always goes white ?"], "article": "f : hello , this is canon camera company in beijing . good morning . what can i do for you ? m : well , i am making this phone call to complain about a digital camera made by your company . f : what is the problem with it ? m : the screen always goes black . f : could you tell me how long this has been happening ? m : it started a week ago . f : then is it still under guarantee ? m : yes , i bought it only a month ago .", "id": "train_3165"}