Task: Dialogue Generation
Input (English): F: Can I help you find something, sir? ,M: Yes, I need a strong lock for my bike. I am a photographer and I often have to leave my bike for long periods of time while I go take pictures. I'm hoping to spend less than $50 if possible.
(A) F: Why do you need a bike? (B) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) F: You mean your lock is broken. It needs repairing, right? (D) F: What kind of lock do you like?
Output (English): D