Anchor: Football players are tackling a football player carrying the football.
Entailed: The players are tackling each other.
Contradiction: The players are sitting on the bench.
Contradiction: It was only the end of the war that allowed her to explore her career options.
Contradiction: Lacking wind resistance is one such weakness of the fleece material. 
Contradiction: There is nothing similar about the cowboy and the tough guy, especially not with what this is about.
Contradiction: Some people invoke credibility.