Complex sentence: The 2010 FIA WTCC Race of Italy (formally the 2010 FIA WTCC Yokohama Race of Italy) was the third round of the 2010 World Touring Car Championship season and the sixth running of the FIA WTCC Race of Italy.
Split into simpler sentences: The 2010 FIA WTCC Yokohama Race of Italy was the third round of the 2010 World Touring Car Championship season. It was the sixth running of the FIA WTCC Race of Italy.