Complex sentence: A small member in the hadrosaur family, at thirteen-feet tall and thirty three-feet long, Parasaurolophus makes a strange, loud trumpeting sound by using the crest on top of its head.
Split into simpler sentences: A small member in the hadrosaur family, at thirteen-feet tall and thirty three-feet long. It probably made a trumpeting sound by using the crest on top of its head.