query: #title: GND ID - type human should not be instance of a subclass of human
  # Complex constraint from [[Property talk:P227]]
  # GND ID exists, type is human, is instance of a subclass of human
  SELECT ?item ?gndid { 
      ?item wdt:P31/wdt:P279+ wd:Q5 .
      ?item wdt:P31 ?type .
      ?item wdt:P227 []
   }