Anchor: Two men and one woman are having a rock skipping contest on the side of a lake.
Entailed: Three people are outdoors.
Contradiction: Three people are enjoying dinner indoors.
Contradiction: There's an impressive pool, but nowhere to get refreshments.
Contradiction: Three people are indoors.
Contradiction: I've heard that it's going to be warm this weekend.
Contradiction: Public-Private Key Elements of Federal Buildings and Facility Partnerships