Definition: 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: F: What can I do for you, sir? ,M: I want to book a ticket to Hong Kong on October thirtieth. ,F: OK. I will check for you. Wait a moment, please. Would you like a business ticket or an economic one? ,M: Economic, and I prefer the afternoon. ,F: Well, Dragonair Flight, KA621, leaves at 4:00 PM and arrives there at 6:25 PM. Is that all right? ,M: That's fine. How much should I pay?
(A) F: That's $130 for your train ticket to Hong Kong on October 10th. (B) F: You want a business ticket on flight KA666, so $2,333 in total, sir. (C) F: Dragonair Flight, KA621 on October 13th. $1,300, including tax. (D) F: I am really sorry, I did not catch that. Would you slow down, please?
Output:
C