Anchor: When affirmative action works, its critics deny its essential nature.
Entailed: Critics deny affirmative action's nature when it works.
Contradiction: Critics say nothing ever.
Contradiction: All my credit cards are maxed out, I had to sell my house to pay off my debts.
Contradiction: The women are walking.
Contradiction: The examination of safety does not need much attention from researchers. 
Contradiction: The expensive restoration gained support inspired by a novel.