Anchor: A man performs a skateboarding trick on a cement monument in a city park.
Entailed: Someone is riding a skateboard.
Contradiction: The man is riding his bicycle. through the park.
Contradiction: Economists agree about whether tax incentives are effective in increasing the overall level of personal saving.
Contradiction: Two humans in a subway station.
Contradiction: I jog when they jig.
Contradiction: People are using a microphone.