Complex sentence: With the dinosaurs running rampant, DinoHunt is forced to hire agents in order to destroy the escapees... but the dinosaurs are more intelligent than they realize, and it becomes a mission to exterminate the now-rapidly spreading dinosaurs before they overrun the planet.
Split into simpler sentences: With the dinosaurs running rampant, DinoHunt is forced to hire agents in order to destroy the escapees. The dinosaurs are more intelligent than they realize, and it becomes a mission to exterminate the now-rapidly spreading dinosaurs before they overrun the planet.