The lion sees the mouse. The mouse needs the lion. If someone eats the mouse then they need the mouse. If the lion sees the mouse and the mouse is nice then the lion needs the mouse. If the lion sees the mouse and the lion is young then the mouse needs the lion. If someone sees the lion and the lion is round then the lion sees the mouse. If someone needs the mouse then the mouse needs the lion. If someone is nice and they see the mouse then the mouse eats the lion.
The mouse does not eat the lion.