Anchor: The rats helped Derry out, and in return she sheltered them from the reptilian predators outside.
Entailed: She kept the rats safe from the predators outside.
Contradiction: The rats were not helpful at all.
Contradiction: The people are watching the sunrise.
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: Questionnaires need to be developed and then studied. 
Contradiction: Coming to a store near a genuine Austin Powers Swedish Penis Enlarger.