Anchor: The communes were strong enough to confine German Emperor Frederick Barbarossa's Italian ambitions to the south, where he secured Sicily for his Hohenstaufen heirs by marrying his son into the Norman royal family.
Entailed: Frederick Barbarossa did not advance farther north than Sicily.
Contradiction: German Emperor Frederick Barbarossa took over all of Europe.
Contradiction: Two children are chasing a calf around the yard
Contradiction: They questioned if an automobile would be considered a commodity. 
Contradiction: The SCR reactor takes up less room than this.
Contradiction: Kern and Porter receive different reactions for the same thing.