Anchor: Lady Tadminster's sister, you know. 
Entailed: Lady Tadminster had a sister.
Contradiction: Lady Tadminster did not have a sister.
Contradiction: The Commission made no mention of the issues that had been raised by commenters at any point in the preamble.
Contradiction: Quite dangerous.
Contradiction: The group of people are waiting to play a game.
Contradiction: They all have their campaign ribbons from the war of HR22