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: Can I help you, sir? ,M: Yes, I'm looking for Harry Potter 7. I hear it's very popular. ,F: Yes, it is. Here you are.
(A) M: This is in the classroom. It's normal that you don't have Harry Potter 7. (B) M: We are in the restaurant, why are you looking for Harry Potter 7? (C) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (D) M: Thank you, I am so happy the bookstore has Harry Potter 7.

D