Task: Dialogue Generation
Input (English): F: Will you come to my birthday party this weekend? ,M: I'd love to but I have to meet a friend from Beijing at the railway station.
(A) F: I am afraid I did not quite catch what you were saying. Please repeat it. (B) F: What a pity. I thought you would come to my graduation party rather than meeting a friend this weekend. (C) F: Are you going to Beijing to meet your parents this weekend? (D) F: I'm glad that you would take part in my birthday party this weekend. So you don't need to meet a friend at the railway station.
Output (English): A