The bald eagle chases the cow. The cow chases the bald eagle. If something needs the cow then it does not see the cow. If the bald eagle chases the cow then the cow is green. If something needs the bald eagle then it chases the cow. If something does not need the cow then it sees the cow. If something does not chase the bald eagle then the bald eagle chases the cow. All round things are green. If something sees the cow then the cow needs the bald eagle. If something does not need the bald eagle and the bald eagle does not see the cow then the cow does not chase the bald eagle.
The bald eagle does not see the cow.