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: M: Hey, Sarah. This year I'm going to the rock festival for all three days. ,F: Oh, lucky you, Leo. Are you going with your cousin again? ,M: Not this year. My brother has promised at take me there now. My sister is too busy with her college work.
(A) F: So your sister got time to take you there. (B) F: So your brother will take you to the concert this year. (C) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (D) F: So your brother will take you there this year.
Example Output: D

Example Input: M: I'll pick you up at 10:45 tomorrow morning. ,F: How long will the journey last? It's a 3 and a half hour drive. And we should give ourselves 40 minutes to have lunch and another 10 to wait for the ferry.
(A) M: Your flight will take off at 10:45. (B) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) M: I want to travel to Chicago by train. (D) M: Don't worry, we have enough time to go on board.
Example Output:
D