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.

Example Input: F: This is an interesting project, we have for psychology class. ,M: Interesting. It's going to be a lot of work.
(A) F: I know you find it so hard, but we have to do this. (B) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (C) F: I figured you' d find this chemistry project is difficult. (D) F: I can' t believe you think the math project is easy.
Example Output: A

Example Input: F: Welcome to our program. Today we have invited Fred Watson, an expert on the environment to talk to us.
(A) M: Nice to meet you guys. Let' s talk about environmental problems today. (B) M: Hello, everyone! My name is Bob, today, let' s talk about modern technology. (C) M: I’m sorry, I don’t understand. Could you say it again? (D) M: Thanks, I' glad to be your studio. Today, our topic is about industrial development.
Example Output: A

Example Input: F: Hello, Mike. I hear you were doing some part time work. ,M: Yes, I am working 4 nights a week at a restaurant. ,F: What are you doing there? ,M: Doing some dishwashing in dusting tables. ,F: Do they give you decent wages. ,M: Not too bad. ,F: Well, I've been accepted for a part time job in a library. I will be working there only on weekends. ,M: Really? That's good. So you'll be earning some extra money, too.
(A) F: Yes, I like working in the library. I have very interesting weekends now. (B) F: But it's too busy in the post office. I have to work every work day. (C) F: The part-time job in the library is well-paid, but I'll work 5 days a week. (D) F: I am afraid I did not quite catch what you were saying. Please repeat it.
Example Output:
A