The bear is green. The cat does not need the dog. The dog is green. The mouse chases the dog. If the cat needs the dog then the dog is young. If the cat does not chase the mouse then the mouse needs the bear. If someone eats the mouse and they are round then the mouse does not chase the bear. If someone chases the bear then they are green. If someone is round then they chase the bear. If someone needs the bear and the bear is not green then the bear is not round.
The cat chases the mouse.