Text: It's a major omission, then, that we never see those schools or the kids' interaction with their stable, well-to-do Beverly Hills counterparts.
Entailment: That we never see those schools or the kids' interaction with their stable, well-to-do Beverly Hillrs counterparts, is a major omission.
Contradiction: Then' it's not a major omission, that we often see those schools or the kids' interaction with their Beverly Hills counterparts.