Anchor: Three boys in swimming trunks are diving into the lake.
Entailed: The boys are near water.
Contradiction: The boys are sitting on the grass near the lake.
Contradiction: The hotel by the road cones is blue.
Contradiction: To prove a point, the young woman jumps as high as she can.
Contradiction: A positive blood alcohol test is good for patients with head injuries. 
Contradiction: There are ER visits for asthma attacks.