Task: Dialogue Generation
Input (English): M: Good afternoon, madam, what can I do for you? ,F: Thank you. I bought this tablet computer here yesterday, and it doesn't seem to work.
(A) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) M: Here is your drink, madam. (C) M: What's wrong with your fridge? (D) M: Where is your homework, Lucy?
Output (English): A