Complex sentence: The Jaguar R4 was a Formula One Car that Jaguar Racing competed with in the 2003 Formula One Season, it was driven by Mark Webber, Antonio Pizzonia and Justin Wilson.
Split into simpler sentences: The Jaguar R4 was a Formula One Car that Jaguar Racing competed with in the 2003 Formula One season. It was driven by Mark Webber, Antonio Pizzonia and Justin Wilson.