Anchor: This lightweight wood, cut to the size of the boy intending to use it, makes unexpectedly good surfboards.
Entailed: Surfboards are made from this lightweight wood.  
Contradiction: You cannot make surfboards from lightweight wood at all.  
Contradiction: The American people should be happy when a government official has an affair.
Contradiction: The statement implied that screening should be evaluated as a part of an intervention.
Contradiction: The guys are wearing black suits.
Contradiction: Two mens are present in waterfall.