Anchor: A woman is kayaking on a lake
Entailed: Someone is kayaking on a lake.
Contradiction: A man is kayaking on a lake.
Contradiction: Filed rates aren't skewed. 
Contradiction: Coupled with appropriate measures to address local concerns, such a program would provide significant health benefits even as we increase energy supplies, and maintain reasonable electricity rates.
Contradiction: We can't all unanimously agree on anything whatsoever.
Contradiction: The creatures didn't do very well in the caves.