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: F: Hello, this is the International Student Office. This is Leah. How may I help you? ,M: This is Nathaniel Brown, from English Department. I'd like to speak to Miss Collins about my accommodation situation. ,F: Well, I'm sorry. She is out for lunch at the moment. Can I take a message?
(A) M: No thank you. I will wait for her to finish the meeting. (B) M: Sure. I want to have a talk with her about my accommodation situation. (C) M: Sure. I want to have a talk with her about my department. (D) M: Excuse me, could you repeat the question?

Output: B


Input: Consider Input: F: I wonder why the Sunflower went out of business? It got a great review and dining magazine, and every time I ate there, there was a big crowd. ,M: It's not closed forever. There was a fire in the kitchen last month. But they planned to re-open as soon as the damage is repaired.
(A) F: The sunflower's food is really awful, every time I went, there usually wasn't anybody. (B) F: I’m sorry, I don’t understand. Could you say it again? (C) F: Well, although Sunflower cinema got many bad reviews, I think I still will go there tonight. (D) F: Alright, I hope everything is okay and they could repair the damage quickly.

Output: D


Input: Consider Input: F: Hello Martin, how are your preparations for the coming exams? ,M: Good, Miss Eliza. I've worked hard for it recently. I think I'm ready for the coming exams. ,F: Excellent, so are you working at weekends now to get some pocket money? ,M: Yes, I'm very grateful to Mister Lamb, he really helped me with my problem.
(A) F: I am really sorry, I did not catch that. Would you slow down, please? (B) F: OK, I see. You've not worked hard for the exams recently because you work parttime on the weekdays. (C) F: So, you mean you're not ready for the coming exams as you have to work parttime at the weekends? (D) F: Oh, that's great! You work parttime at the weekends and you can also have much time for the exams.


Output: D