Anchor: A squirrel takes a huge leap over a mound of snow.
Entailed: A squirrel leaps over the snow.
Contradiction: A squirrel is running on the roof of a building.
Contradiction: I slept for eight solid hours.
Contradiction: I have resided here all my life and I have worked for TI fifteen years.  
Contradiction: Two old woman are biting and scratching each other.
Contradiction: Let your father know that he is in debt to you for the amount of five dollars.