rted ?Guard ?System)
            (emergency ?System)
       )
       :effect (and 
            (not (emergency ?System))
            (inactive ?System)
        )
    )
  (:action sound_alarm
       :parameters ( ?Valuable_item - valuable_item ?Trigger - trigger ?System - system)
       :precondition (and 
            (triggered ?Valuable_item)
            (protected_by ?Valuable_item ?Trigger)
            (active ?System)
       )
       :effect (and 
            (not (active ?System))
            (emergenc