The bear is rough. The cat is nice. The cat needs the bear. The cat sees the bear. The cat visits the dog. The cat visits the mouse. The dog needs the mouse. The dog visits the cat. The dog visits the mouse. The mouse is green. The mouse is rough. If someone is nice then they see the cat. If someone needs the mouse and the mouse visits the cat then the cat needs the dog. If someone sees the dog then they are nice. If the dog visits the cat and the dog is rough then the dog needs the mouse. If someone sees the cat and they are green then they visit the cat. If someone is rough then they need the dog. If someone visits the mouse then the mouse sees the dog.
The cat does not need the dog.