Anchor: A Teenage boy does tricks on his skateboard along the edge of a three-foot, graffiti covered wall's edge
Entailed: A teenage boy is doing tricks on wall.
Contradiction: The young boy is sleeping on the wall.
Contradiction: The man is sleeping on the ground.
Contradiction: There are three ways in which T and A data can be recorded.
Contradiction: A board of directors is useless, isn't it?
Contradiction: The Clean Air Act Amendments (CAAA) Costs and Benefits: Advisory Council.