Anchor: An old man takes a nap outside of a red building.
Entailed: A man naps.
Contradiction: A woman looks through a fashion catalog.
Contradiction: A man is inside watching television.
Contradiction: The man is near a volleyball.
Contradiction: Social Security and Medicare are in a sustainable model.
Contradiction: The variation refers to the fact that different studies of the same pollutant don't have the same results.