Complex sentence: In November 2002, Fly So Free was pensioned as a result of cardiac problems and died of congestive heart failure on September 21,2003 at Three Chimneys Farm, where he is buried.
Split into simpler sentences: In November 2002, Fly So Free was pensioned as a result of cardiac problems. He died of congestive heart failure on September 21,2003, at Three Chimneys Farm, where he is buried.