The bear needs the cat. The cat chases the bear. The squirrel chases the cat. The squirrel is rough. The squirrel needs the bear. The squirrel sees the bear. The squirrel sees the cat. If someone chases the squirrel then they need the bear.
The bear does not need the bear.
@0: The bear needs the cat.[(triple1)] The cat chases the bear.[(triple2)] The squirrel chases the cat.[(triple3)] The squirrel is rough.[(triple4)] The squirrel needs the bear.[(triple5)] The squirrel sees the bear.[(triple6)] The squirrel sees the cat.[(triple7)]