The cat needs the lion. The cat needs the mouse. The dog chases the mouse. The dog is big. The dog is blue. The dog is green. The dog likes the cat. The lion is big. The lion likes the mouse. The lion needs the cat. The lion needs the mouse. The mouse is big. If something needs the lion then the lion likes the dog. If something likes the dog then the dog needs the lion.
The lion does not need the cat.