The cow is big. The cow is green. The cow is nice. The cow is not rough. The cow is not young. The cow does not need the squirrel. The cow sees the squirrel. The cow visits the squirrel. The squirrel is big. The squirrel needs the cow. The squirrel sees the cow. The squirrel visits the cow. If someone sees the squirrel then the squirrel sees the cow. If someone does not see the cow then they visit the cow.
The squirrel does not need the cow.