Anchor: Two men holding their boat on the beach.
Entailed: Two men on the beach are holding the boat.
Contradiction: The boat is drifting away from the beach.
Contradiction: Everyone is on a bicycle.
Contradiction: I thought the academics would be a lot harder but it isn't too bad.
Contradiction: The cul-de-sac proved feudal, as the amount of traffic actually increased.
Contradiction: The band is playing bagpipes and marching outside.