Anchor: People are learning or practicing various techniques involved in the sport of curling in a gym, using surface flooring of painted plastic instead of ice.
Entailed: People are learning or practicing various techniques
Contradiction: People are not learning or practicing various techniques
Contradiction: The street is full of boats.
Contradiction: The management of information systems in the federal government has a lot of over sight of the Information Technology Resources Board.
Contradiction: the dog is black
Contradiction: He'd been told that he was in a different world.