Anchor: The Crusades against the Islamic threat to Christendom brought great prosperity to Italy's port cities.
Entailed: Italy's port cities were prospering because of The Crusades against the Islamic threat to Christendom.
Contradiction: The Crusades against the Islamic threat were peaceful in nature.
Contradiction: A man eating lunch on a park bench
Contradiction: People are walking on a sidewalk
Contradiction: She would understand if he got arrested.
Contradiction: In Chicago and Northbridge, the doctors ought to have known that following policy without question was not good.