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.

Ex Input:
F: I thought you were going to New York for your holiday. ,M: I was, but I decided to visit my uncle in Paris this time. I haven't seen him in years since he left London.
(A) F: Excuse me, could you repeat the question? (B) F: I really admire your uncle that he can live in London now. (C) F: I really admire you that you can study in Paris. (D) F: I really admire your uncle that he can live in Paris now.

Ex Output:
D


Ex Input:
M: Sarah I've heard that you want to move into a home stay family. Is it true? ,F: Yes, I've been staying with my aunt and now my cousin is arriving from Singapore and my aunt needs to serve a room for him.
(A) M: You are so considerate. I hope you enjoy staying in a homestay family. (B) M: You are so kind to serve a room for your aunt. She doesn't need to move into a homestay family. (C) M: I'm so glad that you don't need to move into a homestay family. Hope you enjoy your life with your cousin. (D) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please?

Ex Output:
A


Ex 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.

Ex Output:

D