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: 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.

Output: D


Input: Consider Input: M: I'll pick you up at 10:45 tomorrow morning. ,F: How long will the journey last? It's a 3 and a half hour drive. And we should give ourselves 40 minutes to have lunch and another 10 to wait for the ferry.
(A) M: Your flight will take off at 10:45. (B) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) M: I want to travel to Chicago by train. (D) M: Don't worry, we have enough time to go on board.

Output: D


Input: Consider Input: M: Lotus restaurant, can I help you? ,F: Hello, I'd like a non smoking table for four tomorrow at about 1:00 o'clock. The name is Jane. ,M: Ok, I'll check it for you.
(A) F: Excuse me, could you repeat the question? (B) F: All right. That's why I would like to a non smoking room for four tomorrow. (C) F: I am glad that you can join us if you are free. My name is May. (D) F: Thanks. I hope to book a non smoking table at 3:00 o'clock.


Output: A