The bear chases the mouse. The bear is not blue. The bear does not visit the dog. The bear visits the squirrel. The dog is blue. The dog visits the bear. The mouse is nice. The mouse does not need the bear. The mouse visits the dog. The squirrel is rough. The squirrel needs the dog. The squirrel needs the mouse. If something does not need the squirrel then it visits the bear.
The mouse does not visit the bear.