The cat eats the dog. The cat is big. The cat is blue. The cat is green. The cat is nice. The cat is round. The cat likes the dog. The cat needs the dog. The dog eats the cat. The dog is not big. The dog is not blue. The dog is green. The dog is not nice. The dog is round. The dog likes the cat. The dog needs the cat. If something is big and nice then it does not like the cat.
The dog does not need the dog.