Complex sentence: On August 9,1987, at the age of 3, Audrey and her brother Stephen were playing in the driveway of her grandmother's house when she fell into the swimming pool and almost drowned.
Split into simpler sentences: On August 9,1987, at the age of 3, Audrey and her brother Stephen were playing in the driveway of her grandmother's house. She fell into the swimming pool and almost drowned.