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: Is everything ready for the meeting? ,F: Almost. I'm done with the tables and chairs and I've set up microphones as well. The only thing left to do is put the cups on the table.
(A) M: Hurry up and set the cups! (B) M: You have to set up the tables and chairs now. (C) M: You have put the cups in place. Then it's time to mop the floor. (D) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that?
Example Output: A

Example Input: M: Hello, reservation desk. How can I help you? ,F: I'd like to book a room. ,M: And what kind of room would you like ma'am? And we got single rooms, double rooms, standard rooms, sweets and Delux sweets. ,F: What's the rate for a standard room? ,M: $79 a night. ,F: I'd like a standard room. ,M: What date would you check in ma'am? ,F: December twenty-third, please. ,M: How long do you plan to stay? ,F: Four days.
(A) M: So, you mean you plan to stay three days and you will check out on December 23rd? (B) M: I am afraid I did not quite catch what you were saying. Please repeat it. (C) M: So, you plan to stay 4 days and you will check out on December 27th? (D) M: Oh, I see. You would like a single room and will check out on  December 27th.
Example Output: C

Example Input: M: Hey, Helen! Want to play a new game I learned in school today? ,F: Yeah. How do you play it? ,M: You stand over there by the side of the house. I'm going to throw this ball at you. ,F: Wait a minute! That's a big ball! You're going to hurt me!
(A) M: Don't worry. I believe you can catch it!  We have played it many times. (B) M: Don't worry. Although it is a big ball, I'm not going to throw it too hard. (C) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) M: Although you're worried about the ball is too heavy, it won't hit you.
Example Output:
B