Complex sentence: The Prix Greffulhe is a Group 2 flat horse race in France for three-year-old thoroughbreds (excluding geldings) run over a distance of 2,000 metres (approximately 1 mile 2 furlongs) at Saint-Cloud Racecourse in May.
Split into simpler sentences: The Prix Greffulhe is a Group 2 flat horse race in France for three-year-old thoroughbreds (excluding geldings). It is run over a distance of 2,000 metres (approximately 1 mile 2 furlongs) at Saint-Cloud Racecourse in May.