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: Anna Cole, I'm so glad that I find myself here with you in the training camp. I imagined the training is pretty hard. ,F: Yes, it is. ,M: Could you please talk to me about your daily training? ,F: OK. I get up about 6:45. I have a very light breakfast at 7:00 and then I get to the pool by 7:30. ,M: I see. How long do you train? ,F: All daytime? ,M: You mean you swim for about 8 hours? ,F: Oh, no. Having trained for about 4 hours. I have lunch and then do track work and body exercises in the afternoon. I suppose I train until 4:00 o'clock in the afternoon. ,M: That's a long day. ,F: It's alright. ,M: What about your free time? What do you do? ,F: Well, I usually watch TV. I like American programs and sometimes go dancing at a nearby club. ,M: Dancing? ,F: Yes, but I go to bed early at most nights.
(A) M: Yeah, so you stay up late and dance at a club every night. (B) M: Yeah, so you always stay up late and chat online every night. (C) M: I am afraid I did not quite catch what you were saying. Please repeat it. (D) M: Yeah, so you never go to bed early.
Example Output: C

Example Input: M: That is a very nice shirt. Did you just buy it? ,F: Yeah, I bought it yesterday. It was kind of expensive, but I just love wearing red.
(A) M: That blue color matches your makeup perfectly. (B) M: The color suits you perfectly. (C) M: I agree. The price is quite reasonable. (D) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that?
Example Output: B

Example Input: F: Mr. Smith, may I ask you a question? ,M: Yes, go ahead, please. ,F: For quite a long time, I've not been sure of two phrases. I'm sorry and excuse me. It seems that they have exactly the same meaning when we put them into Chinese. Could you tell me how to use them correctly? ,M: Alright. In fact, there are a lot of differences between the two. I'd better show you some examples. Suppose you are chatting with someone, if you'll use a phrase as a polite way of indicating that you are about to leave or that you are about to stop it. ,F: I am sorry? ,M: No, we say, excuse me or excuse me, please. And excuse me is also used when we are going to interrupt someone who is speaking or...... ,F: Excuse me, Mr. Smith. ,M: Very good, Miss Yang. What are you going to say? ,F: If we knock into somebody by chance, when pushing our way out, we should then say sorry or I'm so sorry? ,M: You learn so fast.
(A) F: Thank you sir, your present has been wrapped. Thanks again for coming ton our store. (B) F: I have a headache for a week and feel weak, awful and cold. What's wrong with me, doctor? (C) F: So glad that I can help. My office hour is 8:00-12:00 every Wednesday. You are welcomed to come. (D) F: Excuse me, could you repeat the question?
Example Output:
D