Anchor: A dog sled races through the snow.
Entailed: The dogs are pulling the sled through the snow.
Contradiction: The dogs are taking a break.
Contradiction: It isn't there at all. 
Contradiction: Is your face in need of a facial?
Contradiction: The Rue Royale and the Rue D Faubourg-Saint-Honor run parallel. 
Contradiction: Orrin Hatch has opinions as to whether it's going to go away.