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 feel horrible, Daisy was angry at me because I lost her notes, do you think I should apologize again? ,M: If I were you, I'd let her calm down a few days before I approach her. ,F: Maybe you're right.
(A) M: Yes, you can write Daisy a note of apology. (B) M: You must return Daisy's notes in a few days. (C) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (D) M: You should make apologize to her a few weeks later.

Ex Output:
C

Ex Input:
F: These trousers turned out to be too small for my daughter, so I've brought them back for larger ones. ,M: Certainly, madam. We will take them back if you have your receipt with you.
(A) F: My son said the trousers were too tight for him, so I have to change for bigger ones. (B) F: Here is the receipt. I'll wait here when you change larger trousers. Thanks. (C) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (D) F: You are the best tailor nearby. Please make these trousers larger.

Ex Output:
B

Ex Input:
F: Excuse me. Can you speak Chinese? I like Chinese very much. ,M: Yes, I'm from Taiwan. I came here to study political science, but my English needs improving. I make too many grammatical mistakes. ,F: I want to study Mandarin and international relations. Maybe we could do a language exchange. ,M: You mean, you and I? ,F: Yes, why not? I mean, if you often come to this cafe too, we could meet here and practice Chinese and English. ,M: Sounds like a good idea. How often would you like to do it? ,F: Let me see. I think I could spend 2 hours a week in language exchange. ,M: How would we spend the 2 hours? ,F: First, we could spend an hour working on your English. ,M: And then the next hour, I would help you with your Chinese. ,F: Right. But when is it convenient to meet? ,M: I am free from now until 11:30 every Monday morning. And you?
(A) F: You mean two hours from 9:30am to 11:30am every Monday. I'm ok with it. (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: Then it's three hours in total every week, half for French and half for Korean. (D) F: No problem, so it's three hours on Monday and three hours on Tuesday.

Ex Output:
A