Anchor: Unit costs for the F/A-18 E/F program have not grown since the critical design review and its schedule has been delayed by only 3 months.
Entailed: There has not been too long of a delay in its schedule, nor have unit costs grown. 
Contradiction: Unit costs have ballooned since the critical design review. 
Contradiction: They did not react to the falling horse.
Contradiction: A child playing outside in the winter.
Contradiction: The professor walks out of the class.
Contradiction: humans outside