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: I just love badminton. What's your favorite sport? ,F: Um...It's hard to say. I like baseball a lot, but I think I like volleyball best.
(A) M: Me, too! I'm crazy about baseball. (B) M: I'm so glad that your favorite sport is badminton. (C) M: I am really sorry, I did not catch that. Would you slow down, please? (D) M: You love baseball most, although you're interested in volleyball.
Example Output: C

Example Input: F: Good evening, sir is there anything wrong? ,M: I'm afraid there is, and the service here has been terrible. We had to wait 40 minutes for the soup and then it was stone cold.
(A) F: Sorry. I will serve the soup for you right away. (B) F: I will take a look for you to see why the play hasn't started in the theater. (C) F: Excuse me, could you repeat the question? (D) F: I don't know why the bus hasn't come yet.
Example Output: A

Example Input: F: I've read a report on the people who can use the foreign language, mainly English. ,M: Really? What's it about? ,F: It's mainly about different attitudes people have towards the foreign language learning. About 27% of the people think a foreign language is a must in their daily life. ,M: I can't agree more. There're more and more people learning foreign languages.
(A) F: So let's talk about the study pressure on students because the report mainly talked about it. (B) F: So let's talk about the popularity of English because the report mainly talked about it. (C) F: So let's talk about the attitudes towards learning foreign language since the report didn't mention it. (D) F: I am afraid I did not quite catch what you were saying. Please repeat it.
Example Output:
D