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: Where did you get this calendar, Ricky? It covers your whole desk. ,M: I ordered it online. I'm sure if you ask Mr. Dennison in the finance department, he'll order one for you, too.
(A) F: What size skirt do you want, miss? (B) F: I went through the formalities this morning and we are no longer colleagues. Good luck. (C) F: I didn’t hear you. Please could you tell me again? (D) F: Oh, thank you for telling me that. I'll call him right now.
Example Output: D

Example Input: F: Excuse me. I will stay in the city for a few days and I'd like to know what's on. ,M: Well, there's a teahouse at the Capital Theater. They say the play is very good. ,F: When is it on exactly? ,M: Every night except Sunday. Hold on...Yes, the show will run until the beginning of July. It begins at 8 o'clock and lasts more than 2and a half hours, finishing at 10:45. Here, take this flyer. It tells you more.
(A) F: I've never thought before that the old house is yours. (B) F: I am really sorry, I did not catch that. Would you slow down, please? (C) F: Thank you for telling me the information about the play. (D) F: The famous theater is mine, you don' t know it!
Example Output: C

Example Input: M: How was your school today Rosa? ,F: It was fun. Our class went on a trip to the Museum of Modern Art. ,M: So you went there? How did you get there? ,F: We took the bus it was crowded?. ,M: How was your trip to the museum? ,F: It was great, it is so big that we only saw about half of the paintings. I'd have to go back another day to see them all but I did see some great ones.
(A) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) M: You can see almost all the paintings because the museum is small, right? (C) M: Although you saw about half of the paintings, the museum is small. (D) M: You've seen about half of them. That's amazing.
Example Output:
D