The cat chases the cow. The cat is blue. The cat is not green. The cat is rough. The cat is round. The cat needs the cow. The cat sees the cow. The cow chases the cat. The cow is not big. The cow is blue. The cow is green. The cow is rough. The cow is round. The cow does not need the cat. The cow sees the cat. If someone needs the cow and the cow needs the cat then they chase the cat. If someone chases the cow and they do not chase the cat then they see the cat.
The cat does not chase the cat.