Anchor: The farmer is selling his yams and potatoes on the sidewalk.
Entailed: A farmer is selling produce on a sidewalk.
Contradiction: A farmer is giving away produce.
Contradiction: The statue was a cat.
Contradiction: The man has put fireworks in a decorated cake.
Contradiction: Yea, I don't want my roommate to do it since I can handle it myself. 
Contradiction: I threw my keys to her.