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: Excuse me, do you know when the train will arrive? ,M: I'm sorry, the train is behind schedule.
(A) F: You mean the train that has arrived is crowded, right? (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: Although the train is late, it has arrived. (D) F: Do you mean the train that has arrived is on time?

B