Input (grade 7): Arthur Adolph "Harpo" Marx (November 23, 1888 - September 28, 1964) was an American comedian and film star. He was the second oldest of the Marx Brothers.
Output (grade 10): Arthur Marx (previously Adolph Marx), also called Harpo Marx (November 23, 1888 - September 28, 1964), was one of the Marx Brothers.