Anchor: One of the realities of corporations, after all, is that they're somewhat isolated from local concerns.
Entailed: Corporations are somewhat isolated from local concerns, and that is one of their realities.
Contradiction: Corporations are actively involved in all local concerns.
Contradiction: The school stayed in Notre-Dame.
Contradiction: A group of people went hiking.
Contradiction: The dog is chasing a ball.
Contradiction: Without hesitation, he went up the steps and tried to make the same knocking sound.