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: Do you want to go play tennis with me tomorrow morning? ,F: That would be fun, but I need to pick up my passport from the police station. ,M: Are you going on a trip? ,F: Yes, I'm going to the UK with my dad next month. ,M: Cool, is it a holiday? ,F: Not really, he is going on a business trip in London and I'm going with him to check out a few universities that I might apply for next year. ,M: Sounds great, so how long will you be there? ,F: I'm going to be in London for 5 days, after that I will visit a couple of cities in Schottland as well. ,M: Checking out some schools there, too? ,F: Exactly, well, have a nice weekend and see you at school on Monday.
(A) M: Thank you. See you in class on Monday. (B) M: Well, since you're going to London tomorrow, I'll ask our teacher for leave next week. (C) M: I didn’t hear you. Please could you tell me again? (D) M: Thank you, my dear daughter. It's a pity that I can't go to London with you tomorrow.

Output: A


Input: Consider Input: M: Hey, May, how are you getting to Xi'an next week? ,F: I'm not sure yet. I may take the train, but then again, I may take the bus. ,M: But the bus takes a long time. You could fly. It's not so expensive these days.
(A) F: You have a point. I'm going to check out if it's cheaper to get there by plane. (B) F: It's so nice of you to go there by bus with me together. (C) F: Thank you, I like travelling by train as well. (D) F: I’m sorry, I don’t understand. Could you say it again?

Output: A


Input: Consider Input: M: Is this one beside you your English teacher? She looks strict. ,F: Yes, but her teaching is very well organized and clear. We all like her very much.
(A) M: Your English teacher looks like an easy-going person and very prudent for she is wearing glasses. (B) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (C) F: No wonder that your Chinese teacher is popular for she is smart and pretty. (D) M: Really? maybe next time I should go to her class myself and find the reason why she is popular.


Output: D