Anchor: One day a wall collapsed and killed six of the slaves.
Entailed: Six of the slaves were killed by the wall collapsing onto them.
Contradiction: The collapsed wall only killed five of the slaves.
Contradiction: LSC stopped making progress towards its state planning initiative 
Contradiction: The boy skateboards.
Contradiction: The woman in the purple jacket is walking down the stairs.
Contradiction: A woman just finished dancing.