Anchor: David Arnold Hanson was a power to reckon with.
Entailed:  David Arnold Hanson was of extreme power.
Contradiction: The powerless man, David Arnold Hanson, was nothing to be afraid of.
Contradiction: Two field hockey players on the sidelines.
Contradiction: Two men are looking the same way.
Contradiction: Nobody is rafting.
Contradiction: Three people are playing cards and drinking.