Anchor: to uh to transmit the signals to have a backup some to back that that system up so that there is no no down time
Entailed: The system is backed up so that it isn't down.
Contradiction: The system is down a lot because there is no backup.
Contradiction: The fda does not analyze anything. 
Contradiction: Coworkers sharing a joke.
Contradiction: A dog riding in a forest.
Contradiction: Two moms watch as their kids jump in a blue bouncy house in a store play area.