The lion is red. The lion sees the rabbit. The mouse chases the lion. The rabbit chases the lion. The rabbit is green. The squirrel chases the lion. The squirrel sees the mouse. If something chases the squirrel then the squirrel is nice. If something sees the mouse then the mouse is nice. If something visits the mouse and it is green then the mouse visits the rabbit.
The squirrel is not nice.