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: Hi, Rosa, what are you doing? ,F: I'm trying to pick an English literature course for this term. ,M: Take Professor Holds class. I took hers last year. ,F: Really? What's she like? ,M: Fantastic. I think she is really a good teacher. ,F: Why? What makes her so good? ,M: For one thing, she is really funny. She's also smart. So you learn a lot. ,F: What do you think of Professor Vance? ,M: He is boring. Most students fall asleep in his class and he is hard to talk to.
(A) F: I didn’t hear you. Please could you tell me again? (B) F: Really? You think he is easy to talk to and you think Professor Holt's class is ordinary? (C) F: So, many teachers fall asleep in his class and you think Professor Holt's class is attractive? (D) F: So, he is hard to talk to and you think Professor Holt's class is attractive? Okay, I see.
Example Output: D

Example Input: M: Do you like this house? ,F: Yes, it's beautiful. ,M: It's perfect for us and the kids. ,F: 3 bedrooms, 3 bathrooms and a big backyard. ,M: And we can afford it!
(A) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (B) F: This room is cheap, but it's too small. Let's have a look at others. (C) F: This office is big and beautiful, but we can't afford it. (D) F: I love it. This house is big and beautiful. We can go through the buying process.
Example Output: D

Example Input: F: I'm sorry for the noise, Mark. I didn't know that you were taking a nap when I put on the music. ,M: It's alright, Kate.
(A) F: I am really sorry, I did not catch that. Would you slow down, please? (B) F: I sang a song, but I didn't realize you weren't napping. (C) F: I listened to some music. Since you haven't been napping, would you like to listen to it? (D) F: I took a nap in my room and didn't notice you had music on.
Example Output:
A