Task: Dialogue Generation
Input (English): F: I'm going to London by train next week. ,M: Why not go there by plane? It'll be much faster. ,F: I know, but I'm short of money.
(A) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (B) M: You need to hurry for your plane to London. (C) M: Enjoy your train trip to London. (D) M: Why are you going to London by train? It's more expensive.
Output (English): C