Anchor: Personal saving plays a dual role, ensuring both individuals' retirement security and the nation's economic security.
Entailed: Savings ensure an individuals retirement security as well as the nations economic security.
Contradiction: Personal saving plays a single role in economic security.
Contradiction: I like to drink and smoke all the time.  
Contradiction: Walter Shapiro thought Kasich was pretty great overall.
Contradiction: A lady is swimming near a waterfall
Contradiction: Two puppies are outside together.