The cow chases the tiger. The cow eats the dog. The cow is green. The cow needs the squirrel. The cow needs the tiger. The dog does not eat the cow. The dog eats the tiger. The dog is red. The dog is not young. The dog does not need the squirrel. The squirrel needs the cow. The tiger eats the dog. If something needs the dog and it needs the cow then the cow is rough. If something does not eat the tiger and the tiger does not need the dog then it eats the squirrel. If something is red then it chases the squirrel. If something chases the dog and it eats the dog then the dog is not rough. If something chases the squirrel and it is not young then the squirrel needs the dog. If something is young and it needs the tiger then it does not eat the dog.
The squirrel does not chase the squirrel.