Anchor: Two men in a marathon climb over a tree in the forest.
Entailed: Two men climb over a tree.
Contradiction: Two men are sitting on the docks.
Contradiction: Total labor man-hours of construction and engineering labor are then about 450,000 man-hours for a single 750 MWe unit.
Contradiction: people are walking
Contradiction: Three white men are talking to each other.
Contradiction: I heard the beep.