query: #title: Check AA, A, B
  # Complex constraint from [[Property talk:P3834]]
  #
  SELECT DISTINCT ?item {
  	?item wdt:P3834 ?value.
    ?item wdt:P136/wdt:P279* wd:Q2143665.
    FILTER (?value NOT IN (wd:Q28980099, wd:Q28980093, wd:Q28980109)) 
  }