Anchor: Someone in cold weather clothing is leaning against a snowbank.
Entailed: Someone is leaning against a snowbank.
Contradiction: Someone in the nude is leaning against a snowbank.
Contradiction: By my sophmore year, I decided that math is what is right for me.
Contradiction: The simulation period for total factor productivity is 75 years. 
Contradiction: Special effects are not used in making movies.
Contradiction: The man is on the bench