Task: Dialogue Generation
Input (English): M: Oh, when is your flight to Athens? ,F: Sunday. Why? ,M: Would you be able to come over on Saturday night? ,F: Yes, I should have finished packing by then. ,M: My friends will give me a graduation party. ,F: Terrific. ,M: I'll pick you up. ,F: That isn't necessary. ,M: My dad will let me borrow the car. ,F: Oh, well. That would be very nice. ,M: About 8 o'clock. ,F: 8 o'clock is fine. ,M: Great. It's a date. ,F: Who's going to be there? ,M: Just my friend Peter and a few kids from school.
(A) F: Peter is coming to my party with his dad? I never met his dad before. (B) F: I’m sorry, I don’t understand. Could you say it again? (C) F: Thank you for helping invite Peter and other schoolmates to my birthday party. (D) F: I need to prepare some gifts for your parents and Peter before Sunday's party.
Output (English): B