Anchor: Even though he had an appointment to the University of Virginia in his pocket, Pop several times extended his stay at the White House to help out with the struggles over inflation and recession, and never once publicly said a word against Nixon.
Entailed: Pop helped out at the White House several times.  
Contradiction: Pop has never been to the White House at all.  
Contradiction: A green ice cream truck stopped on the side of the road and a woman stopped to buy some.
Contradiction: a dancer jumps in air.
Contradiction: The skateboarder is riding a bike.
Contradiction: Do you like the Houston Oilers?