Task: Question Answering
Input (English): The Hasty Heart is set in a WW II convalescent ward of a British General Hospital in the rear of the Assam-Burma. It revolves around Lachlen (Richard Todd), a bitter and arrogant Scottish sergeant, who is initially unaware that he is dying. During the course of the play, he slowly responds to the other men from different cultures among them Ronald Reagan as Yank.The ward is attended by Sister Margaret (the British term for nurse) played by Patricia Neal, who balances the atmosphere of healing and depression with ethics and optimism. As the men slowly break through this very lonely man's wall of loneliness, we, like them, become more empathetic toward him as he learns the value of friendship in the final days of his life., Question: Who is a bitter and arrogant Scottish sergeant?
Output (English): Answer: Lachlen