Task: Dialogue Generation
Input (English): M: Well, any luck? Did you see Buster anywhere? ,F: No, I couldn't find him either. I drove all around the neighborhood. I circled our block 3 times, hoping he'll show up. No such luck. I'm sorry, Ben. ,M: It's not your fault. I shouldn't have left the door open. I hope we'll find him. He is such a huge part of our family. He walks with Lily to school every morning.
(A) F: Buster always waits for you in the park, dad, so I find him there. (B) F: Buster walks with Lily to school on Mondays? Good to see him here. (C) F: I’m sorry, I don’t understand. Could you say it again? (D) F: I often played with Buster. I'm sorry that he passed away yesterday.
Output (English): C