Anchor: a brown and white dog is sniffing the snow covered ground.
Entailed: A dog is sniffing the snow covered ground.
Contradiction: A cat is sniffing another cat's butt.
Contradiction: Pewter-work are the cheapest items produced by the tin industry. 
Contradiction: A boy in a pirate costume holds up a flag.
Contradiction: The bicycle rider is standing next to the bicycle.
Contradiction: Tough talk hides the truth that business leaders don't do much.