The bear needs the dog. The cow chases the bear. The cow is big. The dog is green. The dog needs the cow. The dog needs the mouse. The dog sees the cow. The mouse chases the bear. The mouse is big. The mouse sees the bear. If the bear is rough and something does not need the bear then the bear needs the mouse. If something chases the bear and it is big then the bear is big. If something sees the dog and the dog is big then the dog is green. If something is rough and big then it sees the mouse. If something chases the mouse and the mouse sees the cow then it is not rough. If something needs the mouse and it does not see the mouse then it does not chase the cow. If something is not green and it does not need the bear then it chases the mouse. If something does not see the dog and the dog does not chase the mouse then the dog needs the cow.
The cow needs the cow.