The cat eats the mouse. The cat eats the squirrel. The cat is not cold. The cat is red. The cat is rough. The cat is round. The cat needs the squirrel. The dog is rough. The dog needs the squirrel. The mouse does not eat the cat. The squirrel is red. The squirrel sees the cat. If the squirrel eats the cat then the cat does not eat the squirrel.
The dog does not need the squirrel.