Task: Explanation
Input (English): Donald Joel Aronow (March 3, 1927 – February 3, 1987) was an American designer, builder and racer of the famous Magnum Marine, Cary, Cigarette, Donzi, and Formula speedboats. He built speedboats for the Shah of Iran, Charles Keating, Robert Vesco, Malcolm Forbes, and George H. W. Bush. Retired President Lyndon Johnson owned several 16 ft. Donzi speedboats on his Texas ranch with which he would race his Secret Service agents. Question: What was the occupation of the man who built a small, fast boat designed with a long narrow platform that could reach high speeds? Answer: American designer, builder and racer
Output (English):  He built speedboats for the Shah of Iran, Charles Keating, Robert Vesco, Malcolm Forbes, and George H. W. Bush.