Anchor: No one could have come in by the front door without our seeing and hearing him."
Entailed: We would have noticed anybody who came in by the front door.
Contradiction: We would have neve noticed anybody coming inside.
Contradiction: Girls are walking past a wall with graffiti.
Contradiction: A man is pushing a wheelchair with a lady standing nearby.
Contradiction: He said he needed a 60% increase in funding.
Contradiction: The girls are at the beach.