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.

Input: Consider Input: F: Did you go to listen to the speeches yesterday? I mean at the conference. ,M: Yeah, I did. I listen to these so-called keynote speech about physical geography by Professor Henry Hadley. Long and boring. I left the lecture hall before he finished.
(A) F: Oh, you saw Mark Lowcock's speech. Why do you like his speech? (B) F: Oh, you saw Heather Nauert's speech. Why do you like it? (C) F: I am really sorry, I did not catch that. Would you slow down, please? (D) F: Oh, you saw Henry Hadley's speech. Why don't you like it?

Output: D


Input: Consider Input: M: Could you please turn down the CD a little, Julia? Our son is sleeping. ,F: Sorry, dear. I didn't know.
(A) M: It's OK, my dear daughter, now you need to finish your homework. (B) M: It doesn't matter honey. Our sleeping son is so cute,right? (C) M: Don't worry, our son is listening the pop music. (D) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly?

Output: B


Input: Consider Input: M: Wow, this dance is surely cool. There are so many people here. Ah, what's your name? ,F: Susan, Susan Dors. You really don't know who I am? You sit behind me in geography class. ,M: Oh yeah, you're right. I guess I'm just used to looking at the back of your head, not your face. ,F: Are you OK? You're so nervous. ,M: I'm sorry for my strange behavior. I don't know why I pretended I didn't know who you were. I just didn't know how to start the conversation. ,F: That's OK. It's refreshing to talk to somebody who's actually honest for once, so do you like this music? ,M: Not really. I prefer rock and roll mostly. But I like to listen to blues when I'm alone. Anything but this pop stuff. ,F: Oh my gosh. I totally agree. I thought I was the only one.
(A) M: Excuse me, could you repeat the question? (B) M: You are not alone. By the way, the pop playing at the dance sounds awful. (C) M: No, you are not the only. Anyway, I like the blues playing at the dance. (D) M: But I really don't like the rock and roll playing at the dance.


Output: B