Anchor: He caught the shaft of the other axe with his left hand as it came in and kicked the assassin in the chest.
Entailed: He kicked the assassin.
Contradiction: The assassin got away without being kicked.
Contradiction: Ramparts can be found at the bottom of the cliff. 
Contradiction: A man is in a sandwich shop
Contradiction: Two brown dogs are sleeping.
Contradiction: You feel more comfortable.