The bear chases the dog. The bear is green. The dog chases the bear. The dog eats the mouse. The dog is young. The dog visits the bear. The mouse chases the bear. The mouse eats the dog. The mouse is big. The mouse visits the dog. If something is young then it chases the mouse. If the bear chases the dog and the dog eats the mouse then the dog visits the bear.
The bear does not chase the mouse.