The cow is nice. The dog eats the cow. The tiger is young. If the tiger is young then the tiger needs the dog. If someone needs the dog then the dog is nice. If someone chases the cow then the cow is blue. If someone needs the tiger then the tiger chases the cow. If someone eats the dog then the dog chases the tiger. If someone needs the tiger then the tiger chases the dog.
The cow needs the cow.