Anchor: Light is the secret of Tuscany's magic.
Entailed: Tuscany is magic because of the light.
Contradiction: Tuscany is always dark and ugly.
Contradiction: a man reading a book quietly alone
Contradiction: Kissinger argued that the Cuban Missile Crisis ended Soviet credibility. 
Contradiction: two boys read dr seuss together in a living room
Contradiction: I don't think that the government regulations are adequate.