The cat needs the dog. The dog chases the cat. The dog eats the cat. The dog eats the tiger. The dog is young. The dog needs the tiger. The tiger chases the cat. The tiger eats the dog. The tiger is red. The tiger is young. The tiger needs the cat. The tiger needs the dog. If the cat is blue and the cat eats the dog then the cat needs the tiger.
The cat needs the dog.