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: M: International Film Club. ,F: Hello, I'd like some information about the club, please? ,M: Certainly, first of all, you must be over 15. Is that OK? ,F: Yes, that's fine. I'm 16, are you open on Sunday. ,M: I'm sorry, we aren't. When we started we opened from Tuesday to Friday, but now we open from Monday to Saturday. We get more people now.
(A) F: So we can not go there on Sunday because it is closed. (B) F: You mean the club open on Sunday now. (C) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (D) F: It is a pity that the club is closed on Monday.
Example Output: A

Example Input: F: What's in your hand, Bob? ,M: It's a German textbook. I'm learning German now. ,F: But aren't you also learning French? Don't tell me you're learning them at the same time. ,M: Well, that's exactly what I'm doing now.
(A) F: Learning one language is good. Is it a Chinese textbook in your hand? (B) F: Are learning two languages namely Chinese and French? You are not learning French, right? (C) F: I didn’t hear you. Please could you tell me again? (D) F: How can you learn three languages at the same time? But you don't choose to learn French.
Example Output: C

Example Input: M: Good morning, I'm here for an interview. Can you tell me where the headmaster's office is? ,F: The headmaster's office is on the third floor to the right. ,M: Thank you.
(A) F: You're welcome. Good luck with your interview. (B) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) F: It's a pleasure. The headmaster will show you the right directions. (D) F: My pleasure. The headmaster is waiting for you to have a meeting.
Example Output:
A