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. Where is the nearest post office? I need to mail a package before my lunch break ends. ,M: If you make a left at the end of the block, it's the large grey building.
(A) F: I am really sorry, I did not catch that. Would you slow down, please? (B) F: Thanks. I want to mail a parcel there. (C) F: Thanks. I want to go there to buy my lunch. (D) F: Thanks. I'm going to find a building.

B