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: What time is it, Steven? ,M: Uh, it's 7:30. Aren't you going to finish your breakfast? ,F: I don't have much time. I've got a lot to do downtown today. ,M: If you're coming into the city, we may have lunch together.
(A) F: Well, we are living in the center of the city, so since today we are going to the countryside, I think it will take a long time to go there. (B) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) F: That's awesome, but you know we are living out of the city, so perhaps I'll be late for a few minutes fot the aerobics class. (D) F: That's great, but you know we are living out of the city, so perhaps I'll be late for a few minutes.
Example Output: D

Example Input: M: What are you studying in college? ,F: My major is computer science. ,M: Is it difficult to learn computer science? ,F: No, it's a piece of cake, I think.
(A) M: I didn’t hear you. Please could you tell me again? (B) M: Why do you think computer science is difficult? (C) M: Computer science is really easy. (D) M: Oh, your major is international trade.
Example Output: C

Example Input: M: Do you want to go to the movies this afternoon? ,F: OK. What time? ,M: If we go to the 3:15 show, then we'll be able to meet Tony for an early dinner. ,F: 3:15 is fine. That'll give me time to finish typing these reports first.
(A) M: OK, then let's have dinner after watching the movie. (B) M: OK, then let's have dinner after meet Tony. (C) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) M: OK, let's help Tony with his work before 3:15.
Example Output:
A