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: Good morning. ,M: Morning. ,F: Come in. Sit down. Now, you're a new patient, aren't you? ,M: Yes, that's right. ,F: OK. So I better ask you some questions first. Now, have you ever had any serious illnesses or accidents? ,M: A broken leg I got from playing football when I was 17. I was in the school team at that time.
(A) F: I'm sorry that you got a broken leg from playing football. (B) F: I'm sorry, I didn't understand. Could you repeat a little louder, please? (C) F: I'm sorry that you got a broken arm from playing with a wild cat. (D) F: I'm sorry that you got a broken arm from a traffic accident.

Ex Output:
A

Ex Input:
F: I notice an article in the newspaper about the problem of rapid growth of cities in America. I was wondering do you Americans carry out a birth control policy? Can Americans have as many children as they want? ,M: Yes, sir. We can have as many as we want, but most people decide to have only one or 2, and some people decide not to have any. ,F: Why do they decide not to have any? In the old days, we Chinese always wanted to have as many as possible. Some still do now.
(A) M: I am really sorry, I did not catch that. Would you slow down, please? (B) M: Well, most Americans also decide to have as many children as they can. (C) M: I have no idea. Most Americans decide not to have any children. (D) M: Well, with the birth control policy, most Americans only have one or two children.

Ex Output:
A

Ex Input:
F: I love doing math. I feel like it makes me smarter. ,M: It just makes me confused. ,F: It can be confusing. But if you think carefully you will understand it.
(A) M: I am afraid I did not quite catch what you were saying. Please repeat it. (B) M: You think math makes you stupid? I think math confuses me. (C) M: Although you don't think math makes you smarter, I think math is interesting. (D) M: Although you don't think math will make you smarter, I think math will make me smarter.

Ex Output:
A