Complex sentence: He also said the accident was the deadliest two-vehicle highway crash in the state of Kentucky since a case in 1988, when a bus that was carrying a church youth group home from an amusement park was hit by a drunk driver, killing 27.
Split into simpler sentences: He also said the accident was the deadliest two-vehicle highway crash in the state of Kentucky since a case in 1988. When a bus that was carrying a church youth group home from an amusement park was hit by a drunk driver, killing 27.