Anchor: A young boy smiling runs past a gun toting soldier in the background.
Entailed: A smiling boy is running.
Contradiction: A boy is crying in a chair.
Contradiction: Coal fired power plants do not produce pollutants.
Contradiction: The Indians had been conquered before, but at least they captured a sense for them as humans. 
Contradiction: User identification codes and passwords provide more control over data than an electronic signature
Contradiction: A couple joggers run in the park, each wearing pieces of black cothing.