The bear eats the lion. The lion eats the mouse. The mouse sees the bear. The rabbit sees the mouse. If something eats the rabbit and it sees the bear then the rabbit needs the mouse. If something sees the mouse then it needs the mouse. If something needs the rabbit then it needs the mouse. If something needs the lion and the lion sees the mouse then the mouse is rough. If something eats the mouse then the mouse is nice. If something is nice and kind then it sees the bear.
The lion does not eat the mouse.