The dog chases the mouse. The dog eats the mouse. The dog is blue. The dog needs the mouse. The mouse does not chase the dog. The mouse does not eat the dog. The mouse is blue. The mouse is rough. The mouse is round. The mouse needs the dog. If someone chases the dog then the dog is round. If someone is not green then they need the dog. If someone is rough and not red then they chase the mouse. If the dog needs the mouse and the mouse chases the dog then the dog chases the mouse. If someone is round and they chase the mouse then the mouse needs the dog. If someone needs the dog and they eat the mouse then they chase the dog.
The dog does not chase the dog.