Complex sentence: It was the 79th running of the Cheltenham Gold Cup and was won by the pre-race favourite Kauto Star, ridden by Ruby Walsh and trained by Paul Nicholls.
Split into simpler sentences: It was the 79th running of the Cheltenham Gold Cup, and it was won by the pre-race favourite Kauto Star. The winner was ridden by Ruby Walsh and trained by Paul Nicholls.