The cat is big. The cat likes the tiger. The lion likes the mouse. The mouse is rough. The mouse needs the cat. The mouse needs the lion. The mouse visits the cat. The tiger is blue. The tiger visits the cat. The tiger visits the lion. If something is blue then it likes the mouse. If something is green and rough then it likes the lion. If something needs the tiger and the tiger is nice then it is rough. If something visits the cat then it is nice. If something needs the tiger then the tiger is green. If something needs the cat then the cat needs the tiger. If something is green and it likes the mouse then it needs the tiger.
The lion needs the mouse.