Task: Dialogue Generation
Input (English): M: How about my food? I've been sitting here for almost half an hour! ,F: I'm sorry, sir. It must be ready by now.
(A) M: I've been waiting at home for a long time. The food from your restaurant hasn't been delivered yet. (B) M: Your restaurant is slow to serve. (C) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (D) M: Have a nice trip!
Output (English): B