Anchor: Two people are hitting each other in a karate match, while an audience and referee watch.
Entailed: Two people are doing karate.
Contradiction: There are gymnasts at a competition.
Contradiction: A track athlete runs the 500m.
Contradiction: Scholes, Black and Merton all made their names on the formula with different combinations of methods. 
Contradiction: That's ridiculous. Why would you say such a thing?
Contradiction: A half hour drive from Bologna is the d'este duke's stronghold.