The bear does not chase the dog. The bear eats the mouse. The bear is blue. The bear is cold. The bear needs the squirrel. The dog is big. The dog is young. The mouse chases the dog. The mouse is young. The mouse needs the dog. The squirrel is not blue. The squirrel needs the dog. If something needs the squirrel then the squirrel eats the dog. If something needs the bear then it does not eat the bear. If the dog is cold and the dog eats the mouse then the dog is not young. If something needs the squirrel and the squirrel eats the bear then the squirrel does not chase the mouse. If something eats the bear then the bear needs the dog. If something needs the mouse then it chases the mouse.
The dog does not chase the mouse.