Anchor: A cowboy is riding a bucking bull in a rodeo arena.
Entailed: A cowboy rides a bull at a rodeo.
Contradiction: A man rides a horse on a trail.
Contradiction: A sword-swallower.
Contradiction: A bunch of children are gathered to watch another child jump into the water.
Contradiction: I told you that Papa Poirot could not be trusted. 
Contradiction: My kids have gone to a couple of the Christian concerts at our church.