Anchor: federal operations at risk of tampering, disruption, and inappropriate disclosure.
Entailed: There may be tampering in the operations.
Contradiction: There is no risk of inappropriate disclosure.
Contradiction: The request reflected the senator's special interest in the desert.
Contradiction: A group of people listening in a class.
Contradiction: Tuppence was not excited and told Julius as much.  
Contradiction: If you purchase food souvenirs, make sure you purchase them last so they stay fresh on your trip.