The cat eats the squirrel. The dog needs the squirrel. The squirrel needs the cat. The tiger needs the squirrel. If something eats the squirrel and it needs the squirrel then the squirrel needs the cat. If something is big then it chases the dog. If the cat is green then the cat eats the squirrel. If the squirrel is kind then the squirrel chases the tiger. If something needs the tiger then the tiger needs the squirrel. If something eats the tiger and the tiger needs the cat then the cat is young.
The tiger does not need the squirrel.