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: So Alice, when do you begin? ,F: I start on the twenty-first. I'm hoping to hurry to the coast before I'm too busy. ,M: I don't blame you, you're going to be working long hours, and should get a little rest before it all starts. ,F: We don't actually start working on the first day, but there's going to be some hard training. All new volunteers are required to complete 10 days of training, so I do want to get a little play time before that.
(A) M: So, you think the voluntary work is tiring but you don't want to get a little play time before training? (B) M: So, you think the voluntary work is tiring and you do want to get a little play time before training? (C) M: So,  you think the voluntary work is meaningful although new volunteers are required to complete 25 days of training? (D) M: I am really sorry, I did not catch that. Would you slow down, please?
Example Output: B

Example Input: M: Miss Robertson, for the past 3 weeks, I've been getting complaints about your work. ,F: Uh...What do you mean? What kind of complaints? ,M: Well, your supervisor told me you're turning your reports in 2 to 3 days late. You're often absent from staff meetings and you haven't been getting along with your colleagues. ,F: Look, Mr. Travers, I can explain.
(A) M: I am afraid I did not quite catch what you were saying. Please repeat it. (B) M: The internal medicine department is on the second floor of the hospital. Now you can start explaining. (C) M: Now you can start explaining right in our office. (D) M: We'll go back to the office later and you can explain. I don't want to listen your explain now.
Example Output: C

Example Input: M: I tried to phone you last night, Mrs White. In fact, I rang you up three times.	But nobody answered. ,F: Well, we went to the cinema after dinner.
(A) M: I am really sorry, I did not catch that. Would you slow down, please? (B) M: You didn't answer my first call, so I tried two more times. (C) M: Yeah, you missed two calls, but anyway, you answered my third call. (D) M: Can you believe that? I rang you up four times!
Example Output:
B