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: 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'll pick you up at 10:45 tomorrow morning. ,F: How long will the journey last? It's a 3 and a half hour drive. And we should give ourselves 40 minutes to have lunch and another 10 to wait for the ferry.
(A) M: Your flight will take off at 10:45. (B) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) M: I want to travel to Chicago by train. (D) M: Don't worry, we have enough time to go on board.
Example Output: D

Example Input: M: Would you like to go to the cinema tonight? ,F: I'd rather stay at home and watch television. I have to get up early to attend a meeting tomorrow.
(A) M: Is there anything interesting on TV tonight? (B) M: So your husband went to the meeting this morning? (C) M: I didn't hear you. Please could you tell me again? (D) M: Don't stay up late watching TV. We'll have a picnic tomorrow.
Example Output:
A