Complex sentence: The Prix Guillaume d'Ornano is a Group 2 flat horse race in France for three-year-old thoroughbreds run over a distance of 2,000 metres (approximately 1 mile 2 furlongs) at Deauville Racecourse in August.
Split into simpler sentences: The Prix Guillaume d'Ornano is a Group 2 flat horse race in France for three-year-old thoroughbreds. It is run over a distance of 2,000 metres (approximately 1 mile 2 furlongs) at Deauville Racecourse in August.