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:
M: Now we have five-day classes every week, so we have more spare time than before. ,F: How do you spend your time, Timmy? ,M: I have interest in playing the violin and I'll continue to practice playing it. ,F: Do you often take part in a concert? ,M: Yes, I like to listen to some music. At present, my major objective is to learn from others. ,F: Do you like classical music or pop? ,M: I like both. How do you spend your spare time then, Lily? ,F: Playing the piano is my favorite activity. ,M: Our hobbies are similar to each other. I hope we can often exchange experience together. ,F: So do I. But I am weak in the theory of music. ,M: Me too. Would you like to go with me to visit my uncle? He's a professor of the institute of music.
(A) F: I'm sorry, I didn't catch that. Would you mind speaking more slowly? (B) F: Let's learn music theory together, so that we can make progress. (C) F: Well, as for me, I only like singing. I'm weak at performances. (D) F: Yes, I am only interested in reading, but I am good at music theory.

Ex Output:
B

Ex Input:
M: So what kind of job did you find for this summer? ,F: I'm working for a marketing company. I'm doing telephone marketing. ,M: Oh, so you are one of those people who drive me crazy by calling me up in trying to persuade me to buy something that I have no need for. Do you like it? ,F: Believe it or not, I do. There are a lot of students working there and we have a lot of fun when we're not making calls. It's really easy since we just have to read from a text.
(A) M: Sales on mobile phones make it easy for me to buy things. (B) M: Why are you annoyed with your job? (C) M: I really hate sales promotion. It makes me annoying. (D) M: I am really sorry, I did not catch that. Would you slow down, please?

Ex Output:
C

Ex Input:
M: Hello, mom. ,F: Hello, Dan. Have you arrived in your office? ,M: Yes, I have. ,F: Are your shoes totally wet? The rain was so heavy when you went out for work. ,M: Yes, but don't worry about it. I have bought a new pair of socks. They make me feel better.
(A) F: Oh, great. You have bought a raincoat. You didn't get wet, right? (B) F: I am really sorry, I did not catch that. Would you slow down, please? (C) F: Nice! You won't be uncomfortable with another pair of socks. (D) F: You only have one pair of socks and you have got wet, right?

Ex Output:
C