The dog is not nice. The squirrel sees the dog. If something needs the dog and it likes the dog then the dog needs the squirrel. All young things are green. If something is green then it needs the dog. If something needs the dog and it sees the squirrel then it sees the dog. If the dog needs the squirrel and the dog does not see the squirrel then the squirrel sees the dog. If something is red and it needs the dog then the dog does not need the squirrel.
The squirrel sees the dog.