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:
M: My parents give me 300 yuan each month. ,F: 300 Yuan? That's 150 yuan more than I get from my parents.
(A) M: You get 450 yuan each month? I envy you. (B) M: You get 150 yuan more than I do. (C) M: Then you get 300 yuan each month, the same as I do. (D) M: I am really sorry, I did not catch that. Would you slow down, please?

Ex Output:
D


Ex Input:
M: Excuse me, how can I find the European paintings? ,F: Take the lift to the third floor and turn right. There just next to the black and white photography show. ,M: Got it. Thank you.
(A) F: Well, we are on the ground floor, so you could take the lift straight to where you want to go. (B) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) F:  The Asian paintings you are looking for is just next to where we are now,which means it is next to the European paintings. (D) F: You know we are at the black and white photo show now, so you just take the lift to the forth floor and turn left you will find what you are looking for.

Ex Output:
A


Ex Input:
F: Hi, my name is Catherine. ,M: I'm John. It's nice to meet you. ,F: Do you know what this professor is like? ,M: I have no idea. This is my first year. ,F: You are a freshman? Me too. Where are you from? ,M: I'm from San Francisco. ,F: I've been there a few times. It's a great city. ,M: Where are you from? ,F: I grow up in this area. ,M: So you know all the fun places to hang out, right? ,F: Yeah, the best places are in the heart of downtown. There are a lot of clubs and bars. ,M: Oh, I see. Do you know what you are majoring in yet? ,F: Not yet. I'm leaning towards business. But that's only if I can't get into computer science. How about you? ,M: I want to go to medical school. So I'll probably end up majoring in biology. ,F: That's cool. ,M: Is the weather this bad all the time in the fall? ,F: No, this is a typical autumn. It gets worse though, at least it's not raining that much. You'll get used to it. In the mean time, you'll have to watch a lot of movies. Seems like the only thing to do with the bad weather.
(A) M: I don't like rainy days like what the weather like now. (B) M: It's sunny now at least. I enjoe the winter sunshine.. (C) M: I don't like the cloudy weather now. But it is the typical autumn like you said. (D) M: I didn’t hear you. Please could you tell me again?

Ex Output:

A