Task: Dialogue Generation
Input (English): M: Hi, Megan. How are you? Have you seen the doctor? ,F: No, it's not about me. It's about Bonzo. ,M: What happened? ,F: I was playing football with Bonzo in the garden, and the ball went over the garden into the road. When Bonzo was running after it, he got hit by a car. ,M: Oh, no! Didn't the drivers see Bonzo? ,F: Not really. Bonzo was running too fast. We took him to the pet hospital immediately. But there was nothing they could do.
(A) M: You must be very upset since your pet Oscar was having an operation. (B) M: You must be very upset since you love your pet Oscar so much. (C) M: Your brother must be very upset since he loves your pet  Bonzo so much. (D) M: I’m sorry, I don’t understand. Could you say it again?
Output (English): D