Anchor: A man with black rim eyeglasses is looking up at a mosaic made up of tiny mirrors
Entailed: The eyeglasses are prescription.
Contradiction: The mosaic was made of paper.
Contradiction: A pitch black room has a mosaic.
Contradiction: The glasses have no lenses.
Contradiction: A man with black rim eyeglasses cannot see the mosaic, because he is completely blind.
Contradiction: a man with tiny mirrors for eyes looks at eyeglasses