Anchor: Somebody left the keys inside a green lock box on a lamp post.
Entailed: there is a set of keys
Contradiction: the keys were in a black box
Contradiction: A man trying to pull out grass.
Contradiction: A man hunches over a bench.
Contradiction: The workers who have the skill, talent, and luck to get these jobs generally do extremely poorly.
Contradiction: EDs have reported high case rates of alcohol problems.