The bear is green. The dog chases the mouse. The lion needs the dog. The mouse chases the bear. If someone visits the bear and the bear is nice then they chase the dog. If the mouse chases the lion and the mouse needs the dog then the mouse needs the lion. If someone visits the dog then the dog is young. If someone is nice then they need the lion. If someone chases the bear then the bear needs the mouse. If someone needs the bear then they visit the lion.
The dog does not chase the lion.