Task: Dialogue Generation
Input (English): M: I need to return these shoes. They are very uncomfortable. Here is the receipt. ,F: I'm sorry, but I cannot do that. You've worn them for 2 weeks.
(A) M: So, do you mean that I can't return the shoes because I have worn them too long? (B) M: So, do you mean that I can't return the pants because I have worn them too long? (C) M: I am really sorry, I did not catch that. Would you slow down, please? (D) M: So, do you mean that I can't return the shoes because the shoes are comfortable?
Output (English): A