The bald eagle does not need the dog. The dog needs the bald eagle. The lion does not need the dog. The squirrel visits the bald eagle. If something needs the bald eagle and the bald eagle does not see the dog then the dog needs the lion. If something needs the lion then the lion visits the squirrel. If something sees the squirrel and it does not visit the bald eagle then it visits the dog. If something visits the squirrel then it is cold. If the squirrel visits the dog and something does not visit the squirrel then the dog sees the squirrel. If something does not visit the squirrel then the squirrel sees the bald eagle.
The bald eagle does not visit the dog.