Complex sentence: Debbie Williams (c.1956) is an American teacher from Post, tx who was involed in a famous incident.on April 18 1987 in Coolidge, Az, while skydiving with a group of people Williams collided with fellow parachuter Guy Fitzwater at 9000 ft and was knocked unconscious.
Split into simpler sentences: Debbie Williams (c.1956) is an American teacher from Post, Texas who was involved in a famous skydiving incident on April 18,1987 in Coolidge, Arizona. While skydiving with a group of people, Williams collided with fellow parachuter Guy Fitzwater at 9000 ft and was knocked unconscious.