Anchor: Swimming, waterskiing, windsurfing, and sailing are all available on the lake as are boat cruises.
Entailed: The lake has many water sports available.
Contradiction: Water sports like sailing and windsurfing are not permitted on the lake.
Contradiction: There is no fun to be had on the lake.
Contradiction: Fetuses who are still in the womb are not exposed to any mercury.
Contradiction: Frank, I think I need to get back to other things; I hope we've talked. 
Contradiction: People really supported the candidates they voted for.