Anchor: Two basketball players are competing for the ball during a game.
Entailed: The basketball players are going against each other.
Contradiction: The two basketball players are just standing there.
Contradiction: No one does tai-chi in the park in the morning.  
Contradiction: There a bulldozer is digging.
Contradiction: It only has English-language performances.
Contradiction: Roberta Adams used the computer at the Lamoreaux Justice Center.