Task: Dialogue Generation
Input (English): M: Do you have any shoes like these? ,F: What size? ,M: Size 25. ,F: I'm sorry. We don't have any.
(A) M: It's OK, I will mail these size 25 dresses. (B) M: It's OK, I'll buy the book in another bookstore then. (C) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (D) M: It's OK, I'll take a look at other size 26 shoes then.
Output (English): C