Anchor: Make a model of the universe within the sky, and any changes in that should change reality.
Entailed: Reality should be altered whenever a model of the universe is made inside the sky.
Contradiction: Reality is unchanged by models made within the skies.
Contradiction: The bikers from mars rode their bikes over a dirt mount.
Contradiction: Men working on a railroad track.
Contradiction: Six women sit outside a mansion.
Contradiction: A bike is up on the sidewalk.