Task: Dialogue Generation
Input (English): F: You can speak German? Where did you learn it? ,M: I used to live in Germany with my mother when I was little.
(A) F: So you acquired German when you lived in Germany. (B) F: I didn’t hear you. Please could you tell me again? (C) F: Oh, you are a German, so you speak fluent German. (D) F: You and your dad used to live in Germany? Now I understand why you speak German.
Output (English): A