Task: Dialogue Generation
Input (English): F: I forgot to tell you that Fred called last night to borrow your sleeping bag. ,M: Why did he want my sleeping bag? Is he going camping? ,F: No, he wants to experience camping at home.
(A) M: Do you know when Fred is going camping? He wanted to borrow my sleeping bag this morning. (B) M: Oh. That's why he wants to borrow a sleeping bag. (C) M: Is that the reason why Fred wants to borrow Max's sleeping bag? (D) M: I didn’t hear you. Please could you tell me again?
Output (English): B