Anchor: A man surfing a big wave.
Entailed: The man is in the ocean.
Contradiction: The shark is surfing.
Contradiction: The square is famous as one of the only areas of Paris where a German soldier never set foot during the war.
Contradiction: Have you always had cats? 
Contradiction: He sat the entire time and didn't move.
Contradiction: A boy with a  backpack walking along a trail.