Complex sentence: A 20-year-old woman died on September 1,2001, one day after riding Montezooma's Revenge, the Shuttle Loop at Knott's Berry Farm, she suffered a ruptured middle cerebral artery, and an autopsy revealed a pre-existing condition.
Split into simpler sentences: A 20-year-old woman died on September 1,2001, one day after riding Montezooma's Revenge, the Shuttle Loop at Knott's Berry Farm. She suffered a ruptured middle cerebral artery, and an autopsy revealed a pre-existing condition.