query: #title: Human without occupation
  # Complex constraint from [[Property talk:P3814]]
  # [[d:Q5|human <small>(Q5)</small>]] without [[Property:P106|occupation&#32;<small dir="ltr">(P106)</small>]]
  SELECT ?item {
  	?item wdt:P3814 []; wdt:P31 wd:Q5.
  	FILTER NOT EXISTS { ?item wdt:P106 [] }.
  }