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: Hello, who's that? ,M: Hello, Mrs Black. I'm David. I'm coming to fix your TV set. ,F: Oh, come in please.
(A) M: I'm here to show you my novel. (B) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (C) M: Where is the TV you want to repair? (D) M: I'm not a repairman.

C