Anchor: Lowering the cut point on these screening instruments improved sensitivity without loss of specificity among females.
Entailed: The sensitivity was improved by lowering the cut point.
Contradiction: No improvements could be made to the screening instruments.
Contradiction: Only I am able to paint, no one else can. 
Contradiction: The three people are looking at something
Contradiction: The boy is jumping off of a boat.
Contradiction: Coins fell out.