The bald eagle needs the bear. The bear sees the bald eagle. If something is blue then it needs the bear. If something needs the bear then the bear needs the bald eagle. If the bald eagle eats the bear and the bald eagle needs the bear then the bear needs the bald eagle. If something eats the bald eagle then it is blue. If something needs the bald eagle and it sees the bald eagle then it is round. If something needs the bald eagle then the bald eagle is blue.
The bear does not need the bald eagle.