Anchor: The Benefits and Costs of the Clean Air Act, 1970 to 1990.
Entailed: One edition of the Benefits and Costs of the Clean Air Act applies to the time between 1970 and 1990.
Contradiction: The Benefits and Costs of the Clean Air Act was first written in 2005.
Contradiction: There are no funny jokes anywhere on the internet.
Contradiction: The dogs are playing.
Contradiction: Promise me you will tell everybody about what I did. 
Contradiction: Men are washing windows