Task: Dialogue Generation
Input (English): F: How is your tour around the North Lake? Is it beautiful? ,M: It should be but it is now heavily polluted.
(A) F: The North Lake is dirty now. (B) F: The North Lake is beautiful now. (C) F: I am really sorry, I did not catch that. Would you slow down, please? (D) F: The North Lake is clean now.
Output (English): A