Anchor: A roller girl skirts the edge of the track while her teammates look on.
Entailed: Girls are skating.
Contradiction: A girl skates by herself.
Contradiction: The participants have no difficulties in understanding audits of financial statements and are very clear on both the process and the results. 
Contradiction: The man is looking at his phone.
Contradiction: The women is driving a car.
Contradiction: A pole vaulter wearing a blue and red uniform holds onto the pole after just having made it over the bar.