query: #title: possible missing values (one-of constraint)
  # Complex constraint from [[Property talk:P8570]]
  # add to constraint if applicable
  SELECT ?item
  {
      wd:Q61782498 wdt:P527 ?item . 
      MINUS { wd:P8570 p:P2302 [ ps:P2302 wd:Q21510859 ; pq:P2305 ?item ] }
      FILTER ( ?item != wd:Q24033349 )
  }