Anchor: A skateboarder jumps on an urban alleyway.
Entailed: A person is in the city.
Contradiction: A snowboarder is going down the mountain.
Contradiction: There is no primary aim of the strategy.
Contradiction: Two workers are working on the building.
Contradiction: Finally, a comparison of weekly growth rates for 1995-96.
Contradiction: You should wear a coat that is thick.