{"answers": "B", "options": ["f : since we are police officers , why did n't you talk to any witnesses ?", "f : that 's good . since we are police officers , it 's our duty .", "f : we were witnesses . fortunately , no one was standing on the street corner when the accident happened .", "f : although no one was standing on the street corner at the time of the accident , we were the victims ."], "article": "f : hi bob . did you talk to all of the witnesses to the car accident ? m : yes , an old lady was standing on the street corner when the accident happened . she said that it was the red cars fault . it was driving very fast and then quickly stopped when the traffic light changed .", "id": "train_3908"}