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: Miss, what time is flight 645 for Chicago? ,F: It leaves at 9:50, but you must check in 1 hour prior to departure.
(A) M: OK, I will go to the airport and check in before 8:50. (B) M: I will arrive at railway station at 8:50. (C) M: Thank you, I can check in at 9:50. (D) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that?

A