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: What's your favorite fruit, oranges or bananas? ,F: I like oranges better than bananas, but I like apples best.
(A) M: You like apples best? Me too. (B) M: I didn’t hear you. Please could you tell me again? (C) M: You like oranges best? Me too. (D) M: So bananas are your favorite fruit, right?
Example Output: A

Example Input: M: Researchers in America did some experiments to try to figure out why some people gain weight more than others do. ,F: Yeah, some people can eat whatever they want and they never seem to gain a pound. ,M: In this study, volunteers were given 1000 extra calories a day. About 2 pieces of cheese's worth of extra intake. ,F: This kind of study I'd like to be in.
(A) M: You prefer excise and you don't want to take 1200 extra calories so you don't like this experiment. (B) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) M: Because you want to lose weight and you don't want the extra 1200 calories but you still want to join the experiment. (D) M: Because you enjoy the food.
Example Output: D

Example 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.
(A) F: Excuse me, could you repeat the question? (B) F: How did you know you'll end up within science? (C) F: You mean you are likely to major in biology. (D) F: So you are major in Biology as I do?
Example Output:
C