query: SELECT ?entity ?entityLabel ?entityDescription 
  WHERE
  {
    ?entity ^ wdt:P921/wdt:P1433 wd:Q665807; wikibase:sitelinks 0; wikibase:identifiers 0 . 
    MINUS { ?entity wdt:P31 []; ^ wdt:P921/wdt:P1433 wd:Q665807; wikibase:sitelinks 0; wikibase:identifiers 0  } 
    SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en" }
  }
  LIMIT 1000