Task: Dialogue Generation
Input (English): M: I placed the order almost a week ago. Why hasn't the package arrived yet? ,F: I guess there are not enough delivery men in China during Spring Festival.
(A) M: Indeed. Delivery men must be too busy to send my package since it's Christmas now. (B) M: Fine. I'll keep waiting for my order. (C) M: The deliveryman is doing a good job. (D) M: I am really sorry, I did not catch that. Would you slow down, please?
Output (English): B