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'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

Example Input: F: Wow, I didn't know you were such a great cook. These fake potatoes are to die for. ,M: I've been taking cooking lessons, and you haven't seen anything yet. You're going to love the main course.
(A) F: I'm not surprised that the baked potatoes are your best dish. (B) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) F: I can see that. I'm sure the next dish is going to be really special. (D) F: I'm not surprised that you will be making something even better next time, those fake potatoes are awful.
Example Output: C

Example Input: M: Jean, I'm ready. ,F: That's great! What Are you ready for? ,M: I'm ready for my trip to Hawaii. See? I bought new sunglasses. ,F: Very nice. So when are you going to Hawaii? ,M: Um, I don't know. I haven't booked the trip yet. Can you help me? ,F: Of course, that's my job. ,M: I'm so excited. When I am in Hawaii, I'm going to walk on the beach. Maybe I will lie on the sand. I'm also going to swim in the ocean. And I'm going to surf, too. ,F: That sounds great. But do you know how to surf? ,M: No, but I want to learn. ,F: I can book some lessons for you. ,M: That would be great.
(A) F: Yes. You will learn to surf first. It will be very interesting. (B) F: You should learn to swim first, then you can be a lifeguard. (C) F: Sure. When you arrive in China, you will learn to surf first. (D) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that?
Example Output:
A