Anchor: The first man to hit the ground with a part of the body other than the feet loses the contest.
Entailed: The first man to hit the ground with something other than his feet is the loser.
Contradiction: You can touch the ground with anything but your feet.
Contradiction: A baseball player strikes out.
Contradiction: Today's decision is inexplicable bases upon previous law. 
Contradiction: Mozart did not attend any schools in Bologna.
Contradiction: The man likes the view from the moutain.