The bald eagle chases the lion. The bald eagle is blue. The bald eagle is green. The bald eagle is young. The bald eagle needs the mouse. The bald eagle visits the mouse. The lion chases the mouse. The lion is green. The lion needs the bald eagle. The mouse needs the bald eagle. If someone visits the mouse then they need the lion. If someone chases the mouse then they chase the bald eagle.
The lion does not need the lion.