Anchor: 21 An extreme, but possibly realistic, situation should not be overlooked.
Entailed: Sharp attention is to be given to 21.
Contradiction: 21 is of no significance and can be ignored. 
Contradiction: A man in a pink shirt wrapped up in a blue blanket asleep in a car.
Contradiction: Dugald Stewart was a professor of moral philosophy.  
Contradiction: Profession should determine who delivers the intervention.
Contradiction: It is getting scary and out of hand.