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: I'd like a ticket to Chicago, please. ,F: For what time? ,M: When does the next train leave? ,F: Train 40 is leaving at 8:30 this evening.
(A) M: OK. Reserve a seat in train 40 for me. I should take this train to Chicago. (B) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (C) M: Then I'll go to Chicago by this train. Train 40 leaves at 8:00, then I'll be here at 7:30. (D) M: Bus is convenient, so I'm taking the bus to Chicago.

A