Anchor: A small white dog running on a pebble covered beach.
Entailed: A dog on the beach.
Contradiction: A seagull on the dock.
Contradiction: The best available retrofit technology is unfit for reducing SO2 and NOx emissions.
Contradiction: Well-chosen federal spending for infrastructure, education, and R&D can enhance productivity. 
Contradiction: A man steals food
Contradiction: The woman is looking at some flowers.