Anchor: People dressed as pirates are having a good time in their cardboard boat.
Entailed: Pirate impersonators in a fake boat.
Contradiction: People dressed as spelunkers pretend to explore a cave.
Contradiction: Skateboarder on a half pipe.
Contradiction: The zoo near Le Thot features animals descended from those depicted at Lascaux.
Contradiction: There aren't any species of fish in the surrounding waters, are there?
Contradiction: Mr. Wells was quietly amused.