Anchor: solitary skier nears base of a downhill slope
Entailed: a skier approaches the bottom of the hill
Contradiction: three skiers on top of a mountain
Contradiction: What about petrol engines?
Contradiction: Even a small shove can have unexpected results at the state level.
Contradiction: LSC representation, for any individual or group, has never expanded. 
Contradiction: The museum's stone wall exterior is pitted as a result of the bullets that were fired at it during a war in the 1960s.