Anchor: Two children are playing in a green boat on the grass.
Entailed: Children are outdoors
Contradiction: Children are playing on a surfboard
Contradiction: I was starting to think the network only employed elephants. 
Contradiction: A skeleton is propped on fence near the edge of a street.
Contradiction: Should be able to metabolize two ounces of alcohol every thirty minutes. 
Contradiction: Two people and an animal are outdoors.