The bear chases the lion. The bear eats the lion. The bear is big. The bear is blue. The bear is cold. The bear is green. The bear needs the lion. The bear needs the rabbit. The lion chases the bear. The lion eats the bear. The lion eats the rabbit. The lion is big. The lion is cold. The lion needs the rabbit. The rabbit is big. The rabbit needs the lion. If something eats the lion then the lion is young.
The bear does not need the rabbit.