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: Excuse me, do you have a few minutes? I work for the Star Bookstore, and we are doing a survey about people's reading habits. I want to ask you a couple of questions.
(A) M: I am afraid I did not quite catch what you were saying. Please repeat it. (B) M: I know that bookstore. The Sun Bookstore is very famous. (C) M: You mean you are doing a survey about people's eating habits, right? (D) M: Of course. I am willing to accept this survey. I like reading books.
Example Output: D

Example Input: M: Mom, I love dogs, they are so cute and smart, can I have one? ,F: Well, don't you think they are a little noisy and dirty? How about a rabbit or some fish?
(A) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (B) M: Mom, you are right. Dogs are our best companions. (C) M: Teacher, look at this lovely rabbit! (D) M: But I like dogs best!
Example Output:
D