Anchor: A security officer and a man stand in front of a building.
Entailed: Two people stand in front of a building.
Contradiction: A security officer stands alone in front of a building.
Contradiction: There wasn't much to do there in the way of nature. 
Contradiction: I think they did a terrible job there.
Contradiction: There is no such thing as a person who conducted studies in which compared multiple screening tests in the ED.
Contradiction: There is at least one male.