Anchor: An airplane takes off in the air.
Entailed: An airplane leaves the runway and flies into the air.
Contradiction: The airplane is making a safe landing.
Contradiction: There was hard evidence.
Contradiction: There is a person high up in the air
Contradiction: The couple eating at a buffet.
Contradiction: She asked me whether I thought that she and her husband had a good marriage, and I was greatly taken aback.