Anchor: The Postal Service performed a similar edit on the sample of routes selected for measuring the elasticity of rural carrier costs.
Entailed: Rural carrier costs were measured by the Postal Service.
Contradiction: The Postal Service has no interest in studying rural carrier costs.
Contradiction: The man is running down the sidewalk, with a dog chasing him
Contradiction: The legal aid might pull out of many cases.
Contradiction: Your operating system is perfectly safe and your personal data will be secure. 
Contradiction: The woman in a dress stands outside beside some traffic.