Anchor: Its medieval stained glass, including three fine rose windows, is of unrivaled complexity and stunning beauty.
Entailed: There is no rival to its complexity and beauty.
Contradiction: The windows are all made of regular glass.
Contradiction: Men resond to stress worse than women. 
Contradiction: GDP per capita has been growing.
Contradiction: So, I guess we don't have a deal.
Contradiction: A snow dog.