Complex sentence: Sheryl Ann Johnson (born December 9,1957 in Palo Alto, California) is a former field hockey player and coach from the United States, who was a member of the national team from 1978-1991 and was a three time Olypian.
Split into simpler sentences: Sheryl Ann Johnson (born December 9,1957 in Palo Alto, California) is a former field hockey player and coach from the United States. She was a member of the national team from 1978-1991 and was a three time Olypian.