query: SELECT DISTINCT ?item ?disambig ?itemLabel ?disambigLabel
  WHERE {{
    SELECT ?item ?disambig
                 WHERE {
    ?item p:P1889 ?statement ;
          wdt:P31/wdt:P279* wd:Q101352 ;
          wdt:P31 ?nature .
    ?statement ps:P1889 ?disambig .
    ?disambig wdt:P31 wd:Q4167410 ;
              wdt:P31 ?nature2 .
    FILTER NOT EXISTS { ?statement pq:P1013 wd:Q27924673 . }
  } GROUP BY ?item ?itemLabel ?disambig ?disambigLabel
  HAVING((COUNT(?nature) = 1) && (COUNT(?nature2) = 1))
  LIMIT 10000 }
    SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
  }