Task: Dialogue Generation
Input (English): M: How much are these shoes? ,F: Oh, they are $35 a pair. ,M: Do you have size 9? ,F: I'm afraid they're sold out.
(A) M: OK, I'll get a pair of these shoes in size 9 please. (B) M: What a pity, size 9 is the only one that fits me. (C) M: OK then, I will get these size 9 shoes and also this dress in size 35. (D) M: I didn’t hear you. Please could you tell me again?
Output (English): B