Task: Dialogue Generation
Input (English): F: Would you please spell your name for me, sir? ,M: Sure. WITTNER.
(A) F: WIITNER? (B) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (C) F: WITTNER, oh no, WIITNER? (D) F: WITTNER?
Output (English): D