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: M: Hello, mom. ,F: Hello, Dan. Have you arrived in your office? ,M: Yes, I have. ,F: Are your shoes totally wet? The rain was so heavy when you went out for work. ,M: Yes, but don't worry about it. I have bought a new pair of socks. They make me feel better. ,F: I think you need a pair of rain shoes. I know your size is 41. But what color do you like? ,M: Well, black is my favorite.
(A) F: I see. You like grey best. They have grey ones. (B) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) F: Oh, you like black best. Let me see if they have black shoes. (D) F: I didn't know that you like white best. I'll buy you white shoes.

C