Anchor: A smiling woman sits on concrete steps, talking to a friend.
Entailed: The women are sitting together on the steps.
Contradiction: The woman is sitting on a couch.
Contradiction: It may run into a warm front from Mexico. 
Contradiction: A group is picnicking.
Contradiction: The person is doing pushups
Contradiction: My sword flourished and found its target: the man's shoulder.  I stabbed through it, and took his left ear as I brought my sword back.