query: PREFIX wikibase: <http://wikiba.se/ontology#>
  PREFIX wd: <http://www.wikidata.org/entity/> 
  PREFIX wdt: <http://www.wikidata.org/prop/direct/>
  PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
  PREFIX p: <http://www.wikidata.org/prop/>
  PREFIX v: <http://www.wikidata.org/prop/statement/>
  
  SELECT ?p ?pLabel ?article WHERE {
  #SELECT ?c ?cLabel ?article WHERE {
     ?c wdt:P279* wd:Q7946 .
     ?p wdt:P31 ?c .
    
  #   OPTIONAL {
      ?article schema:about ?p .
      ?article schema:inLanguage "en" .
      FILTER (SUBSTR(str(?article), 1, 25) = "https://en.wikipedia.org/")
  #   }
  
    
     SERVICE wikibase:label {
      bd:serviceParam wikibase:language "en" .
     }
   }