The bear needs the dog. The cow chases the dog. The dog visits the squirrel. The squirrel chases the bear. If someone needs the bear then they are blue. If someone chases the bear then the bear is big. If someone chases the bear and they need the bear then they chase the squirrel. If someone needs the cow then they chase the cow. If someone visits the cow and they need the squirrel then the cow chases the squirrel. If someone is big and they need the bear then the bear is rough. If someone visits the bear and they visit the dog then they need the cow. If the bear chases the cow and the bear visits the squirrel then the bear needs the cow.
The dog does not visit the squirrel.