The bald eagle needs the tiger. The dog chases the tiger. The tiger chases the bald eagle. If something needs the bald eagle and the bald eagle is nice then the bald eagle chases the tiger. If something chases the dog then it needs the bald eagle. If the tiger needs the dog then the tiger is young. If something is nice then it sees the bald eagle. If something chases the tiger and the tiger chases the bald eagle then the tiger chases the dog. If the bald eagle sees the dog then the bald eagle is young.
The tiger does not need the bald eagle.