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: I see you are busy now, Kate. Once you finish, I'd like to have a talk with you. ,F: Alright, come in please.
(A) M: I have time to help you with work. (B) M: I’m sorry, I don’t understand. Could you say it again? (C) M: I can see that you are not busy, so I want to have a talk with you. (D) M: I would like to have a talk with you.

Output: D


Input: Consider Input: M: Excuse me, I'm mailing this package to Japan. ,F: Alright. Fill out this form about the contents and value. Do you want to insure it? ,M: I don't think so. It's only some books. ,F: Are you sending it surface mail or airmail? ,M: Airmail, please. ,F: OK. That's $25. ,M: Here's $30. ,F: Alright. Here's your change.
(A) M: So, as I'm mailing this package to China, it's free and the change is $ 30? (B) M: So, it needs $25, and as I give you $30, the change is $ 5? Okay, I see. (C) M: I am really sorry, I did not catch that. Would you slow down, please? (D) M: You mean the change is just $ 5? But you say that's $20, and I give you $30!

Output: B


Input: Consider Input: F: I really look forward to the football game next Tuesday. ,M: It's a pity that I can't go with you. I can't ask for leave that day, my boss wants me to accompany him to the factory.
(A) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (B) F: You will watch a game next Tuesday. What a pity. (C) F: You will visit a factory with your partner next Tuesday. (D) F: You will visit a factory with your boss next Tuesday. OK. Work always comes the first.


Output: D