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: Are you going to be an engineer when you grow up? ,M: Yes, what about you? ,F: I want to be a teacher, but my parents want me to be a doctor.
(A) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) M: Oh, you want to be a teacher in the future. (C) M: Your parents want you to be a teacher in the future. But you want to be a doctor when you grow up, right? (D) M: You want to be a doctor when you grow up, right?
Example Output: B

Example Input: M: Did your teacher give a task for Monday? ,F: There is nothing to read in the textbook, but we have to see a movie and write a short report about it.
(A) M: Let's continue talking about the task. (B) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (C) M: Now that your teacher didn't give you any task for Monday, why should we continue to talk about this task? (D) M: You need to write a long paper about the movie? That's terrible.
Example Output: A

Example Input: M: It's such a beautiful day. Why not go ride on a boat? ,F: I'd love to, but I have a lot of homework to do.
(A) M: You shouldn't go out for you have to do house work. (B) M: You should do your homework. It is rainy outside anyway. (C) M: Great, let's go ride a boat on such windy day. (D) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that?
Example Output:
D