Anchor: A padded skateboarder turns his board.
Entailed: A board is being turned by a skateboarder.
Contradiction: A skateboard is putting up his board.
Contradiction: The performers are practicing alone in the room.
Contradiction: There are some tuba players in the background.
Contradiction: A woman walks with emotionless expression.
Contradiction: The castle was once sacked at dawn in a daring raid.