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: Do you like to go to the zoo on Sunday? ,F: Yes, I like to go to the zoo. But not on Sundays, because it's always so crowded. How about going on a Friday or Saturday?
(A) M: So you don't like going to the zoo on Sundays, do you? (B) M: So you don't like to go to the zoo on Fridays because it's crowded, right? (C) M: So you don't like going to the zoo on Sundays and Saturdays, do you? (D) M: I didn’t hear you. Please could you tell me again?
Example Output: A

Example Input: M: Have you received a chapter 16 of supermarket killers yet? I think there's something wrong with my phone. ,F: Nobody has received it yet. I really want to know what happens, the suspense is killing me. ,M: Exactly. You know, I think 20 Chapters is too short. I hope his next story is 30 chapters long.
(A) F: I agree with you. I also think 20 Chapters is too long. Let's talk more about this story. (B) F: Yeah, I agree with you. Let's talk more about this story. (C) F: I am really sorry, I did not catch that. Would you slow down, please? (D) F: Yeah, I really don't want to know what happens. Let's talk more about this movie.
Example Output: B

Example Input: F: Your English is so good. When did you learn it? ,M: By the time I was 5. Now I am 13 years old.
(A) F: It's amazing that you learn English so well within 5 years. (B) F: I'm surprised that you learned English for 13 years. But you English is very poor. (C) F: It's amazing that you learn Japanese so well within 8 years. (D) F: Excuse me, could you repeat the question?
Example Output:
D