{"answers": "D", "options": ["m : really ? did the police find the arsonist", "m : you mean a cigarette butt on the carpet caused the fire ?", "m : there are many cases caused by forgetting to cut off the electricity . and now there 's another example .", "m : threw a cigarette button into the garbage bin ? it do may cause a fire ."], "article": "f : have you heard the news ? jim 's office caught fire last night . m : what happened ? did someone forget to cut off the electricity ? f : i heard that someone threw a cigarette button into the garbage bin last night .", "id": "train_34"}