Anchor: Unknown to herself, Annie had provided us with an important piece of evidence. 
Entailed: Annie did not know that she provided us with this valuable evidence.
Contradiction: Annie intentionally provided us with this important evidence.
Contradiction: a snowboarder is doing tricks in the snow
Contradiction: The water current is strong for the kayaker.
Contradiction: The evaluators had no options for their graphics.
Contradiction: Peoples performing