The bear eats the dog. The bear is kind. The bear is rough. The cat eats the dog. The cat needs the bear. The cat needs the dog. The dog chases the bear. The dog chases the cat. The dog eats the cat. The dog is blue. The dog is green. The dog is not nice. The dog is rough. The dog needs the bear. The dog does not need the cat. If something is nice and green then it eats the dog. If something eats the bear and the bear chases the dog then it is not kind. If something does not chase the cat then it does not eat the cat. If the cat is green and something does not need the cat then the cat does not chase the bear. If something needs the cat then it is kind. If something needs the dog and it eats the dog then it is rough. If something needs the dog and the dog does not need the cat then the dog eats the cat. Rough things are not nice.
The bear chases the cat.