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: Let's start again tomorrow. ,F: But the game was going so well, don't quit now.
(A) M: Shall we watch the TV show later today? (B) M: How about we continue to read this book tomorrow? (C) M: Shall we play this game tomorrow, please? I am really tired now. (D) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly?
Example Output: C

Example Input: M: I would like to make a hotel reservation. ,F: What day will you arrive? ,M: I will arrive on May fourteenth. ,F: How long will you stay? ,M: I need the room for 3 nights.
(A) F: So, you are gonna leave Shanghai on May 14th. (B) F: I am really sorry, I did not catch that. Would you slow down, please? (C) F: On May 16th, you will go to the United States, right? (D) F: Sir, you can check in our hotel on May 17th.
Example Output: B

Example Input: F: Welcome back. How was the train ride? ,M: Well, it was a 16-hour trip. I forgot to take my book and there was nothing to do on the train. ,F: Why didn't you watch a movie on your iPad? ,M: It broke last week.
(A) F: Sixteen-hour trip was too long. No wonder you felt bored. (B) F: It's good to hear that you had a relaxing train trip. (C) F: Luckily you bought iPad with you, so that you could kill time on train with it. (D) F: Excuse me, could you repeat the question?
Example Output:
A