The bear visits the squirrel. The cat needs the dog. The dog chases the cat. The squirrel needs the bear. If the dog chases the bear then the bear needs the squirrel. If something chases the cat and the cat visits the dog then it needs the squirrel. If something is nice then it does not chase the dog. If something visits the squirrel then the squirrel is not red. If something chases the dog then the dog visits the cat. If the bear does not visit the dog and the bear does not chase the squirrel then the bear is red.
The squirrel does not need the bear.