Task: Dialogue Generation
Input (English): M: What happened to you? ,F: My car broke down on the highway and I had to walk.
(A) M: Really? Your car didn't break down on the highway. It was stolen so you had to walk. (B) M: I am afraid I did not quite catch what you were saying. Please repeat it. (C) M: OK, I see. Your car hit a tree on the yard so you had to walk. (D) M: Oh, I see. You mean your car broke down on the road. Something has gone wrong with your car so you had to walk.
Output (English): B