Anchor: They could learn something--not much, perhaps, but something--from the lively, nasty online discussions they're missing.
Entailed: There are some online discussions they are not tuned into.
Contradiction: The online discussions would teach them a lot.
Contradiction: The helicopter was unarmed. 
Contradiction: A little girl is sitting on a rock.
Contradiction: Cliches were a problem in the olden days.
Contradiction: This line is from an individual who is speaking for himself or herself and not an organization or company.