Complex sentence: Stanley Michael Bailey Hailwood,, (2 April 1940--23 March 1981) was a British Grand Prix motorcycle road racer regarded by many as one of the greatest racers of all time.
Split into simpler sentences: Stanley Michael Bailey Hailwood,, (2 April 1940--23 March 1981) was a British Grand Prix motorcycle road racer. He is regarded by many as one of the greatest racers of all time.