Anchor: Two people sit on a dock next to each other watching the sunset.
Entailed: Two people are currently outside.
Contradiction: Two people are inside playing a game of chess.
Contradiction: An old Asian woman taking a picture with her camera phone.
Contradiction: Ductwork from the economizer outlet to the SCR reactor and back to the air preheater inlet must be accommodated, it doesn't matter where the SCR reactor is.
Contradiction: A skateboarder is sitting on a bench.
Contradiction: People working in the street.