query: #title: P31=samevalue and P279=samevalue
  # Complex constraint from [[Property talk:P31]]
  # in most cases this is an oversight or item that needs update after child item(s) were added
  SELECT ?item # ?itemLabel ?class ?classLabel 
  WHERE { 
  	?item   wdt:P31   ?class ;
              wdt:P279  ?class .
    
      MINUS { ?class wdt:P31?/wdt:P279* wd:Q17442446 } # any internal stuff
      
      FILTER (?class != wd:Q11173)
  
      FILTER (?class != wd:Q7187)
      FILTER (?class != wd:Q8054)
      FILTER (?class != wd:Q201448)
      FILTER (?class != wd:Q215980)
      FILTER (?class != wd:Q277338)
      FILTER (?class != wd:Q284416)
      FILTER (?class != wd:Q427087)
      
  #   SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
  }