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:
F: What's in your hand, Bob? ,M: It's a German textbook. I'm learning German now. ,F: But aren't you also learning French? Don't tell me you're learning them at the same time. ,M: Well, that's exactly what I'm doing now.
(A) F: Learning one language is good. Is it a Chinese textbook in your hand? (B) F: Are learning two languages namely Chinese and French? You are not learning French, right? (C) F: I didn’t hear you. Please could you tell me again? (D) F: How can you learn three languages at the same time? But you don't choose to learn French.

Ex Output:
C


Ex Input:
M: Do you want to come play cards with us on Friday night? We need one more player to make five. ,F: Sure, I'll play! I'm going to bring my friend as well. He loves playing cards.
(A) M: Great, six people are perfect. (B) M: Great, we already have six people. I don't think we need your friend. (C) M: That's great, then we have five people to play cards on Saturday night. Full house! (D) M: I am really sorry, I did not catch that. Would you slow down, please?

Ex Output:

A