The cat visits the lion. The cat visits the mouse. The cow is kind. The cow is round. The cow likes the cat. The cow needs the mouse. The cow visits the lion. The lion likes the cat. The lion needs the cat. The lion needs the mouse. The mouse likes the cat. The mouse needs the cow. If something is nice then it visits the mouse. If something visits the cow then it visits the lion. If the cat needs the cow then the cat visits the cow.
The lion needs the mouse.