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: M: Excuse me, Miss, is there a plane to New York? ,F: Uh, let me see. One just left half an hour ago and the next one will be in 2 hours. ,M: You mean it will take off at 11:00 o'clock. Am I right? ,F: Yes, you are right. It will stop at Washington for 10 minutes. Do you want to buy your ticket now? ,M: Oh, yes. How much? ,F: $500 each, single. And a return ticket is $800. ,M: OK. Give me 3 return tickets.
(A) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) F: Ok, three return tickets to Washington, $2400, please. (C) F: Ok, here are 3 return tickets, you should pay $2400. (D) F: Ok, give you 3 single tickets to Washington, and you should pay $1300.

C