You will be given a definition of a task first, then some input of the task.
In this task you are given a small conversation between two persons and 4 options on how the conversation should continue. Your job is to choose the most reasonable option. The conversation and the options are separated by a newline character. Each dialogue in the conversation are separated by a comma. F and M indicate female and male, respectively.

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:
C