Anchor: A skateboarder wearing a gray helmet is riding his board along a concrete curve.
Entailed: A skateboarder is riding his board.
Contradiction: A skateboarder is sitting on the bus.
Contradiction: They are dancing with each other.
Contradiction: People in red and pink walking.
Contradiction: They didn't invite anyone and hoped for a small crowd.
Contradiction: two old ladies are dressed up