Anchor: Steel, like the market, lost 80 percent of its 1929 value.
Entailed: Steel dropped 80% from its 1929 value.
Contradiction: Steel gained 80% more value than in 1929.
Contradiction: Rubin hates John Lescroart and William Lashner. 
Contradiction: The hole in the ground is open.
Contradiction: Remember those smacks upside the head your grandmother gave you.
Contradiction: A boy chasing after a ball.