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 think I want to go back to school, Paul. ,M: Well, that's a nice idea, Cindy. But what would you study? ,F: I'm not sure. I've always been interested in psychology. I think I'd do really well.
(A) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (B) M: I also think it would help you writing. Go ahead! I support you my bro! (C) M: Are you sure, my daughter? Can you really get good grades? (D) M: Oh honey! Sure you can get good grades, I trust you so much!

Ex Output:
D


Ex Input:
M: Can I help you Madam? ,F: Yes, thank you. I seem to have lost my room key. ,M: Take it easy. You can go to the front desk to get the spare one.
(A) F: Thank you. I'll go to the front desk and get the spare key right now. (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: Okay, I won't leave the office until you give me the spare car keys. (D) F: Thank you so much for helping me check in.

Ex Output:
A


Ex Input:
M: Most of our customers are foreigners. How many foreign languages can you speak, Elizabeth? ,F: Two, French and Spanish. ,M: And how well can you speak them? ,F: Well, French was my best subject at school. I can read and write it pretty well. ,M: And how about your Spanish? ,F: It's not as good as my French. I can speak it well. But my written Spanish isn't good. ,M: I see, well, we have a lot of Spanish customers. But you don't need to write any Spanish here. ,F: In that case, I'm fit for the position I think.
(A) M: I am really sorry, I did not catch that. Would you slow down, please? (B) M: Great! I'll give you the job offer. You need to write Spanish here. (C) M: Great! I'll give you the job offer. You don't need to write any Spanish here. (D) M: Okay, I'm glad that you choose the right language course.

Ex Output:

C