query: SELECT ?entity ?entityLabel ?entityDescription 
  WHERE
  {
    ?entity wdt:P31 wd:Q36784. 
    MINUS{ ?entity wdt:P576 [] } . 
    MINUS { ?entity wdt:P31 []; wdt:P31 wd:Q36784. 
    MINUS{ ?entity wdt:P576 [] }  } 
    SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en" }
  }
  LIMIT 1000