The bear eats the dog. The bear does not eat the squirrel. The bear is blue. The bear is rough. The bear needs the dog. The bear sees the dog. The dog eats the squirrel. The dog is big. The dog is blue. The dog is kind. The dog is rough. The dog needs the squirrel. The dog sees the bear. The dog does not see the squirrel. The squirrel needs the dog. The squirrel does not see the bear. If something needs the squirrel and it sees the squirrel then the squirrel does not see the dog. If the squirrel eats the dog and the dog does not eat the bear then the squirrel needs the bear.
The squirrel does not need the bear.