Task: Dialogue Generation
Input (English): M: I'll have a cup of coffee, please. ,F: Would you like a piece of cake with it? Our cook has just made a very nice chocolate one, and the price is reasonable.
(A) M: I want to buy some potato chips. (B) M: Yes, bring me this cake. (C) M: I am afraid I did not quite catch what you were saying. Please repeat it. (D) M: Do you have anything else to eat?
Output (English): B