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 time does the bus leave for the airport? ,M: I don't know. It used to leave every half hour, but I think the timetable has been changed.
(A) F: Yeah, I think so. They should put up some notes for the change of timetable. (B) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) F: Thank you for telling me the way to the airport, that's exactly what I want to know. (D) F: Thank you! Are you sure they didn't change the timetable of the bus to the airport?

A