Anchor: The papers were safe so far, but I couldn't take the risk of leaving them there any longer.
Entailed: I couldn't risk leaving the papers there. 
Contradiction: I left the papers there for all eternity. 
Contradiction: There are lots of polar beers around the road.
Contradiction: There has not been a democratic administration in a dozen years.
Contradiction: An Asian woman is brushing her teeth.
Contradiction: Tracks are being laid.