Anchor: For centuries this was a farming village, separated from the city by the green expanse of Corstorphine Hill.
Entailed: It was a farming village for many centuries. 
Contradiction: It was a mill town for many centuries. 
Contradiction: The farming village was oddly located in the middle of the city.
Contradiction: The boy hates playing hacky sack.
Contradiction: The symptoms appear shortly after you swallow it.
Contradiction: He disregarded those spurs as unimportant.