Anchor: Two boys, one wearing glasses, run across grass. Third child partially in shot.
Entailed: Boys are running on grass.
Contradiction: Two boys, one wearing  a hat, run across grass. Third child partially in shot.
Contradiction: The site was always and only one where bullfights occur, and has been around for a few thousand years.
Contradiction: Two fisherman on a boat.
Contradiction: I don't agree at all with your ideas.
Contradiction: Which leads to Bergman's unrealistic Ordinary people under extraordinary circumstances.