The cow is not nice. The cow needs the tiger. The cow visits the tiger. The dog chases the cow. The squirrel needs the cow. The squirrel visits the cow. The tiger is blue. If someone needs the tiger and they chase the dog then the dog does not visit the cow. If the tiger chases the dog and the dog visits the tiger then the dog is not blue. If someone needs the tiger and they do not visit the squirrel then the squirrel is rough.
The cow chases the cow.