Anchor: Dirt biker makes a sloping turn in a forest during the fall.
Entailed: A human on a bike.
Contradiction: Nobody has a bike.
Contradiction: the woman played cards all day and did not go to the party
Contradiction: Group of men on a platform of a boat or oil rig
Contradiction: A group of men are swimming in a race.
Contradiction: A bulldozer knocks something down.