Task: Dialogue Generation
Input (English): F: Hello, this is the emergency 911 operator. ,M: Help. My car is broken down on the freeway. I have a lady passenger and she's going to have a baby.
(A) F: Sorry, sir. Could you please ask your driver to answer the phone? (B) F: OK, sir. You don't have any passenger, do you? (C) F: I didn’t hear you. Please could you tell me again? (D) F:  Don't be afraid, doctor. We will help you.
Output (English): C