public boolean isControlled(Instance instance) {
   if (instance.getIdentifier() instanceof UnnumberedAnonymousID) return false;
   for (Controlled mode : signature.listControlledModes()) {
     if (reasoner.isMemberOf((IRI) state.getIdentifier(), instance, mode.getConcept()))
       return true;
   }
   return false;
 }
 public boolean isControlledConcept(Concept concept) {
   for (Controlled mode : signature.listControlledModes()) {
     if (concept.equals(mode.getConcept())) return true;
   }
   return false;
 }