The cat needs the tiger. The cow needs the dog. The dog is young. The tiger does not need the cow. If someone eats the cow and they are not kind then the cow needs the dog. If someone visits the cow then they are green. If someone is red then they are big. If someone needs the cat then they are not big. If someone visits the cat then they do not need the dog. If the dog does not need the cat then the dog is not green.
The cow does not need the dog.