The cat chases the cow. The cat is blue. The cow needs the cat. If someone chases the cow and they are not young then the cow chases the cat. If someone chases the cat and they do not chase the cow then they are blue. If someone chases the cat and they are blue then the cat eats the cow. If someone chases the cat then the cat eats the cow. If someone chases the cow and they are not blue then they eat the cat. If someone is blue and they do not eat the cat then they are rough.
The cat does not eat the cat.