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: Excuse me, are you the person who has a house for sale? ,F: Yes, I am, come in. Let me show you around. ,M: Thank you very much. How long have you lived here? ,F: I've lived here since I was married, my husband and I had our twentieth wedding anniversary yesterday. ,M: Wow! Congratulations! Then why do you want to sell it? ,F: I am going to retire next year, my husband is opening a small book store in Sydney. So I want to move there to help him.
(A) M: It is good to hear that you want to use the money to buy a small bookstore for your husband in New York. (B) M: Even though you are not together now, you still want to move to Sydny to find him. What a lovely couple! (C) M: It is good to sell the house and move to Sydney, but how about your job? You haven't retired yet. (D) M: I am afraid I did not quite catch what you were saying. Please repeat it.

Ex Output:
B


Ex Input:
F: Good morning, sir. May I come in? ,M: Good morning. Yes, please. Take a seat. I guess you want to open an account, right? ,F: Yes. ,M: Great. What account do you want to open? A checking account or a saving account? ,F: I would like to open a saving account in your bank. What is the procedure? ,M: Would you like to open an account in a single name or in joint names? ,F: I would like to open a joint account with my father.
(A) M: OK. You want a saving account with a single name, don't you? (B) M: Sure. You need to open a saving account in joint names with your mother. (C) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (D) M: OK. Why do you want to open a checking account in a single name?

Ex Output:
C


Ex Input:
M: You really have a good figure. How many sports do you do in your spare time? ,F: Quite a few. Walking, playing tennis, mountain climbing, yoga and some others. I like yoga best. ,M: Why do you like playing tennis? ,F: It's fun and good for developing coordination.
(A) M: So you like playing tennis just because it can make you feel comfortable? (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: You said playing tennis can develop coordination, how does this work? (D) M: Since it can help you to develop coordination, I know why you like playing tennis best.

Ex Output:

C