Anchor: A musical concert with a large number of people.
Entailed: The concert has a large group of people
Contradiction: A musical concert was cancelled since nobody showed up
Contradiction: Two men are building a tower.
Contradiction: These tools on production representative prototypes were employed by companies, making the prototypes a key ingredient to successful outcomes.
Contradiction: the people are flying a plane
Contradiction: An SUV with a patrolman inside is parked near a fence.