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 where the nearest subway station is? ,M: The nearest one is 10 minutes away on foot and it's the entrance to both line 5 and line 6, which one are you taking? ,F: I'm not so sure. I'm here on vacation.
(A) M: You are my best friend. (B) M: I'm here on vacation, too. Fancy meeting you here. (C) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (D) M: You know, I'm a well-known tour guide.

C