Anchor: Three men are working construction on top of a building.
Entailed: Three men are working.
Contradiction: Three men are working construction at the bottom of a building.
Contradiction: A man drowning in the ocean.
Contradiction: OSI is a specialized unit within GAO staffed by criminal investigators.
Contradiction: A puppy is sitting.
Contradiction: As the electric power industry changes, environmental regulations will have greater value.