Anchor: Both policemen seemed utterly engrossed in their task, but those bright blue lances could be deadly at a dozen paces.
Entailed: Both policemen were obsessed with their work.
Contradiction: Both policemen were uninterested in their work.
Contradiction: A cat with three kittens, snuggles into a box full of warm blankets.
Contradiction: The moon was bright.
Contradiction: The football players are having lunch.
Contradiction: The dialogue opens with a line.