Complex sentence: The Brooks catsup bottle water tower, trademarked "The World's Largest Catsup Bottle", is a water tower south of Collinsville, Illinois, claimed to be the largest catsup bottle in the world.
Split into simpler sentences: The Brooks Catsup Bottle Water Tower, trademarked "The World's Largest Catsup Bottle", is a water tower south of Collinsville, Illinois. It is claimed to be the largest catsup bottle in the world.