The cat eats the mouse. The cat is blue. The cat is green. The cat is kind. The cat is round. The cat needs the mouse. The lion is round. The mouse is blue. The mouse needs the cat. The mouse sees the cat. The mouse sees the squirrel. The squirrel eats the lion. The squirrel is blue. The squirrel needs the cat. The squirrel needs the mouse. The squirrel sees the cat. If the cat eats the squirrel then the cat sees the squirrel. If something eats the mouse and it is round then it eats the squirrel. If something sees the mouse then the mouse sees the squirrel.
The mouse needs the cat.