Anchor: A group of girls playing roller derby while an audience looks on in the background.
Entailed: The girls are rollerskating.
Contradiction: The audience watches a ballet performance.
Contradiction: A woman is rapidly pedaling her way through the Tour de France.
Contradiction: The fire destroyed it. 
Contradiction: I have never seen that point before.
Contradiction: A persistent moist cough for a minimum of 3 months a year, for several years in a row, can be a symptom of chronic bronchitis.