Complex sentence: A day after she returned, Madison fell ill and was admitted to the University of Kentucky Medical Center where she died on July 21,2006 of a heart attack, only eight days shy of her twenty-second birthday.
Split into simpler sentences: A day after she returned, Madison fell ill and was admitted to the University of Kentucky Medical Center. On July 21,2006, she died of a heart attack, only eight days shy of her twenty-second birthday.