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, my watch stopped running and I am not sure what's wrong with it. ,M: Well, let me look at it. It seems that it just needs a new battery.
(A) F: But my watch is still running, why does it need a new battery? (B) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) F: I wore it when swimming. No wonder it's completely ruined by water. (D) F: Indeed, everything about my watch is normal. It's just dirty.

B