Anchor: A man is hanging from a cliff while rock climbing high above.
Entailed: A man is high above the ground.
Contradiction: The man is taking a nap.
Contradiction: A man rides a car down the street.
Contradiction: And that's when Enka came into view. 
Contradiction: These 2 people are riding their horses through the meadow.
Contradiction: Personnel performing OSI work must have relevant experience.