Task: Dialogue Generation
Input (English): F: What are we going to get for Linda's birthday? ,M: How about a pair of running shoes? ,F: You know she hates doing exercise. ,M: Then I guess we can buy her a birthday cake.
(A) F: I'm going to hold a birthday party. (B) F: Let's doing some exercise. (C) F: I’m sorry, I don’t understand. Could you say it again? (D) F: Let's send Linda a gift to congratulations on her entrance to Renmin University of China.
Output (English): C