Anchor: A boy with a skateboard if jumping in the air along some railway tracks.
Entailed: a boy is skateboarding along railroad tracks
Contradiction: a dog is sleeping
Contradiction: I wouldn't want to start swimming, since I am doing enough aerobic activity already.
Contradiction: The balance of the statue is operative and remains in place.
Contradiction: The men are holding guns
Contradiction: The latest one I saw was called Manhunter; it was about a mentally dysfunctional man who felt compelled to slay people in the most bloody and gory ways possible.