Complex sentence: On July 29,2005,25 guests were injured when Red train rear ended Purple train, of the 48 guests aboard the two trains 15 were taken to local hospitals for treatment of minor injuries.
Split into simpler sentences: On July 29,2005,25 guests were injured when Red train rear ended Purple train. Of the 48 guests aboard the two trains, 15 were taken to local hospitals for treatment of minor injuries.