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: When will the school play start? ,M: At 7 o'clock, but please arrive by 6:45. ,F: All right. I won't be late.
(A) M: You will be late, because the school play will start at 6:45. (B) M: Although the school play will start at 7:00, you will be late since it is 6:55 now. (C) M: I am really sorry, I did not catch that. Would you slow down, please? (D) M: The school play will start at 7:15, but we will be late.
Example Output: C

Example Input: F: Hello, American Medical Association. Can I help you? ,M: I want to find a doctor. ,F: What kind of doctor are you looking for? A general doctor or a specialist? ,M: What is the difference between a general doctor and a specialist? ,F: A general doctor treats a variety of illnesses and will treat your whole family. A specialist concentrates in one area, like the heart or the skin. ,M: Then I would like to find a general doctor. ,F: In that case, you may want to call Doctor Green at 6663579 or Doctor Smith at 6668520.
(A) M: Thank you for telling me those treatments. I'll call Doctor Brown later. (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: Thank you for helping me make the appointment with the lawyer. (D) M: Thank you for all your information. That helped a lot.
Example Output: D

Example Input: M: Let's meet after school tomorrow. ,F: Alright. I'll finish school at 5:00 o'clock and I'm free after that. ,M: So, is 6:00 o'clock OK with you? ,F: Fine, then we can go to the cinema and see the film that starts at 7:00 o'clock.
(A) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (B) M: Ok, I'll go to the cinema at six o'clock tomorrow when the movie starts. (C) M: Okay, I'll be waiting for you at the cinema until the film starts at 7:00 o'clock. (D) M: Okay, I'll see you tomorrow at four o'clock. You were just out of school then, and then we'll go to see the seven o'clock's movie.
Example Output:
C