Task: Dialogue Generation
Input (English): F: I can't imagine what's happened to Judy. ,M: Nor can I. I'm sure she planned to come to the party.
(A) F: But she hasn't appeared in the party. I feel worried. (B) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (C) F: Judy didn't know there's party today, so she doesn't show up. (D) F: I know she changed her mind. She won't come.
Output (English): A