Anchor:  The bulldozer was teetering at the edge of the cliff as he saw it, right above him.
Entailed: He was in danger of being crushed by a bulldozer.
Contradiction: He was sitting in the bulldozer, waiting to begin work.
Contradiction: the man is making cookies
Contradiction: The man's shoes are on the ground.
Contradiction: GAO refuses to help congress' oversight role
Contradiction: People are throwing vegetables.