The cow chases the dog. The cow eats the dog. The cow is big. The cow is kind. The cow is nice. The cow is red. The cow is round. The cow needs the dog. The dog chases the cow. The dog eats the cow. The dog is big. The dog is kind. The dog is nice. The dog is red. The dog needs the cow. If someone is round then they need the cow. If someone is not nice then they chase the dog. If someone is not red then they need the cow.
The cow does not need the dog.