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: Everybody thought Jack could defeat his challenger in the game. ,M: I thought so, too. He seldom fails.
(A) F: But fortunately Jack won the game. (B) F: I didn’t hear you. Please could you tell me again? (C) F: But unfortunately Jack lost the game. (D) F: It seems that it was a draw.
Example Output: C

Example 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.
Example Output: A

Example Input: F: Morning, Mr. Johnson. Do you need some more medication? ,M: No, my leg is feeling fine actually. But this bed is really uncomfortable.
(A) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (B) F: Really? You mean you need more medication? Okay, I am the nurse and I will do it for you. (C) F: Really? Your leg is not feeling fine actually? Oh, as a salesman, I want to recommend a new bed for you. (D) F: Really? You think this bed is really uncomfortable? Oh, I am the nurse and I now how to move it.
Example Output:
D