Complex sentence: William Bruce Jenner (born October 28,1949) is a former U.S. track and field athlete and current television personality, who won the gold medal in the decathlon at the 1976 Summer Olympics held in Montreal.
Split into simpler sentences: William Bruce Jenner (born October 28,1949) is a former U.S. track and field athlete and current television personality. Jenner is won the gold medal in the decathlon at the 1976 Summer Olympics held in Montreal.