Complex sentence: Gene Gillette (born 1921) is a retired professional basketball player who spent one season in the Basketball Association of America (BAA) as a member of the Washington Capitols during the 1946--47 season.
Split into simpler sentences: Gene Gillette (born 1921) is a retired professional basketball player. He spent one season in the Basketball Association of America (BAA) as a member of the Washington Capitols during the 1946--47 season.