Task: Dialogue Generation
Input (English): 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.
(A) F: You mean the old lady said that the traffic light was broken down. Fortunately, no one was standing on the street  corner when the accident happened. (B) F: Excuse me, could you repeat the question? (C) F: The old lady said that the red car was driving too fast, wasn't it? But why didn't she say it was the red car's fault? (D) F: The old lady said that the red car was driving too fast, wasn't it?
Output (English): D