The lion is red. The mouse eats the lion. The squirrel needs the mouse. If someone chases the squirrel and the squirrel needs the lion then they chase the lion. If someone eats the lion then the lion chases the squirrel. If the mouse chases the squirrel then the squirrel chases the lion. If someone chases the lion then the lion needs the squirrel. If someone is nice then they chase the squirrel. If someone is nice then they chase the squirrel.
The squirrel needs the mouse.