The mouse is red. The squirrel eats the mouse. The tiger eats the mouse. The tiger likes the mouse. The tiger likes the squirrel. The tiger needs the mouse. The tiger needs the squirrel. If something likes the squirrel and the squirrel is red then it needs the squirrel. If something needs the mouse then the mouse likes the squirrel. If the squirrel likes the mouse and the squirrel is big then the squirrel is red. If something likes the tiger then it needs the squirrel. If the squirrel eats the mouse and the mouse likes the squirrel then the mouse eats the tiger. If something likes the mouse then it eats the tiger.
The tiger does not need the squirrel.