Anchor: A boy is skateboarding at night.
Entailed: The boy likes to skateboard.
Contradiction: The boy is cycling in the morning.
Contradiction: Technical controls are never used to implement and enforce policies.
Contradiction: A person in a coat and sandals is pulling something.
Contradiction: Republicans view tax hikes are a good thing. 
Contradiction: A tall-span heavy-lift crane could be necessary for SCRs and maybe FGD systems.