The bear chases the cow. The bear is big. The bear likes the cat. The bear needs the cat. The cat is big. The cat likes the bear. The cat needs the cow. The cat needs the dog. The cow chases the bear. The cow likes the dog. The cow needs the dog. The dog does not chase the cat. The dog chases the cow. The dog is green. The dog likes the cow. The dog needs the bear. If something is big and it needs the cow then it does not need the bear. If something needs the cow and it is young then it is blue. If something needs the cow and it does not chase the dog then it likes the cat. If something likes the dog then it likes the bear. If something chases the cat then it is big. If something is blue and it needs the dog then the dog needs the cat. If something is young then it needs the cow. If something likes the cow and it is green then it is blue. If something is blue and it likes the cow then the cow is young.
The dog needs the bear.