Anchor: The WNBA's  Having a dynasty team helps the league market itself.
Entailed: The WNBA team is helping the league market.
Contradiction: The WNBA team is not helping the league market.
Contradiction: a man is working on a house
Contradiction: The boy and the girl are walking outside.
Contradiction: They knew everything about the sky, it was common knowledge. 
Contradiction: Mr. Chairman is the leader, along with his colleagues.