Task: Dialogue Generation
Input (English): M: What a lovely dress. It must be expensive. ,F: Actually, I got it half price in the sale and I bought some shoes to match it, too.
(A) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) M: Oh. Although you bought the skirt at full price, it's beautiful. (C) M: Is the sale over? (D) M: Wow, these shoes are usually very expensive. You really made a profit by buying them so cheaply.
Output (English): A