Anchor: um not too awfully uh uh Sheba Sheba cost us uh two hundred dollars
Entailed: We paid two hundred dollars for Sheba.
Contradiction: Sheba cost us over a thousand dollars.
Contradiction: The people of the village couldn't hear the roar. 
Contradiction: two kids are in heavy winter clothes
Contradiction: A man has his hat signed.
Contradiction: The size of the system may change as the system is coded.