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.

Input: Consider Input: M: Can I help you? ,F: Yes, I'm looking for how to manage your company. It was published this year. It should be very popular. ,M: Yes, it's in high demand. You have to wait for another 2 days.
(A) F: Your company has a good business. (B) F: The next class is English. (C) F: I didn’t hear you. Please could you tell me again? (D) F: Oh my god. I have to wait for another 4 days.

Output: C


Input: Consider Input: F: Which type of washing machine have you decided on? ,M: I'm still not sure. ,F: We have many brands. Little Swan is domestic. Philipson, Panasonic are imported. ,M: Which one is of the highest quality?
(A) F: The only one I recommended has the highest quality. (B) F: It's hard to say which one in those three brands is the best in quality. (C) F: It's hard to say. You can choose between the two brands I told you. (D) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that?

Output: B


Input: Consider Input: F: Where did you stay in London? ,M: We stayed with my uncle. He lives in London. ,F: What did you do in London? ,M: We went shopping in Oxford Street. Oxford Street is one of the best places to shop in London. I bought a great pair of jeans there. ,F: What else did you do? ,M: We went to see a musical. We saw the show Cats. It was wonderful. I love the songs and the dancing.
(A) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (B) F: Sounds like you had a good time living with your uncle in Oxford. (C) F: So lucky that your uncle lives in London, as there are many activities. (D) F: It's a pity you didn't watch any show while living with uncle in London.


Output: C