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: M: I need to go to the bank. ,F: But they're all close today? ,M: Closed? Are you kidding? What is it? Some kind of holiday today?
(A) F: Hey, calm down. Just joking, The post office is right behind you. (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: Hey, calm down. Just joking, there's no bank in the town. (D) F: Hey, calm down. Just joking, which bank do you want to go?
Example Output: D

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: Let's sit here by the front window. ,M: We'd better sit at a larger table, then we can open the map. ,F: Shall we sit here at the table near the back window? ,M: OK.
(A) F: Yes, the table is in the middle of the room. (B) F: I'm sorry, I didn't understand. Could you repeat a little louder, please? (C) F: Oh, you are right. The back window is much larger. (D) F: The sofa near the back window is bigger, but the table there is small.
Example Output:
B