Task: Dialogue Generation
Input (English): F: It's so cold today would you mind my closing the window? ,M: Of course not.
(A) F: I will ask others to mend the window. (B) F: Thank you! I will shut the window now. (C) F: I am afraid I did not quite catch what you were saying. Please repeat it. (D) F: Thank you for closing the window for me.
Output (English): B