query: embed.html# ##defaultView:Graph
  SELECT ?author1 ?author1Label ?rgb ?author2 ?author2Label 
  WITH {
    SELECT ?author1 ?author2 ?rgb WHERE {
      { ?author1 wdt:P108 wd:Q503424 . } union { ?author1 wdt:P1416 [ wdt:P361* wd:Q503424 ] .  } union { ?author1 wdt:P69 [ wdt:P361* wd:Q503424 ] .  }
   #   { ?author2 wdt:P108 wd:Q503424 . } union { ?author2 wdt:P1416 [ wdt:P361* wd:Q503424 ] .  }
      {?author1 wdt:P184 ?author2 }
      UNION
      {?author2 wdt:P185 ?author1 }
  OPTIONAL{ ?author1 wdt:P21 ?gender1 . }
      BIND ( IF(?gender1 = wd:Q6581097, "3182BD", "E6550D") AS ?rgb)
    }
  } AS %result
  WHERE {
    INCLUDE %result
    SERVICE wikibase:label { bd:serviceParam wikibase:language "en,da,de,es,fr,jp,sv,ru,zh".
    }
  }
  