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: F: Doctors' office. May I help you? ,M: Yes, my name is John Carver. I'd like to make an appointment to see Doctor Carter. ,F: What seems to be the problem? ,M: I guess I have a bad cold. ,F: Do you feel lightheaded or have a fever? ,M: No, neither. But my nose is off and running and I don't feel like eating anything.
(A) F: I'm sorry, I don't understand. Could you say it again? (B) F: All right. So you are sure that you have a fever. (C) F: All right. So you don't feel lightheaded. And you have no appetite. (D) F: All right. So you have no appetite. And you are sure that you have a fever.
Example Output: C

Example Input: M: Hi, Helen, I saw you yesterday with a lovely little girl at the market. Your daughter? ,F: No, she's my sister's daughter, she's just visiting and will be staying with us for a couple of days.
(A) M: Oh, that's your niece then, she's really cute. (B) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) M: Your niece is so cute, I didn't know your brother had a daughter. (D) M: Your daughter looks a lot like you.
Example Output: A

Example Input: M: I'm really surprised you got an A on the test. You didn't seem to have done much reading. ,F: Now you know why I never missed the lectures.
(A) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (B) M: Wow! You have reviewed all the notes? No wonder why you got an A on the test. (C) M: So you mean that you have attended every lecture and it helped you get an A on the test? (D) M: So you mean that you have attended every lecture but it didn't help you to improve your grades?
Example Output:
C