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.

Ex 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.

Ex Output:
D

Ex Input:
F: Did you get your new schedule? Let me see. I want to know if we are in some of the same classes. ,M: Sure. Hey, luck, we're both in CAP together. I'm not sure what it is, but let's sit together. ,F: It is called career and personal planning. Every grade 12 student has to take it. ,M: Do you know what it's all about? ,F: It teaches us about the business world. You know how to write a resume and how to find a job. It also helps us discover our strengths, weaknesses and interests.
(A) M: I also think it will be very helpful. (B) M: Oh, it's really boring. You are so lucky that you don't have to take CAPP. (C) M: I'm sorry, I didn't catch that. Would you mind speaking more slowly? (D) M: I think so. The ACCA will be very difficult.

Ex Output:
A

Ex Input:
F: What's in your hand, Bob? ,M: It's a German textbook. I'm learning German now. ,F: But aren't you also learning French? Don't tell me you're learning them at the same time. ,M: Well, that's exactly what I'm doing now.
(A) F: Learning one language is good. Is it a Chinese textbook in your hand? (B) F: Are learning two languages namely Chinese and French? You are not learning French, right? (C) F: I didn't hear you. Please could you tell me again? (D) F: How can you learn three languages at the same time? But you don't choose to learn French.

Ex Output:
C