Complex sentence: The Red Bull RB5 is a Formula One racing car designed by the Red Bull Racing team for the 2009 Formula One season, and was driven by Sebastian Vettel, who drove for Red Bull's sister team Toro Rosso in the 2008 season, and Mark Webber.
Split into simpler sentences: The Red Bull RB5 is a Formula One racing car designed by the Red Bull Racing team for the 2009 Formula One season. It was driven by Sebastian Vettel, who drove for Red Bull's sister team Toro Rosso in the 2008 season, and Mark Webber.