query: embed.html#SELECT * WHERE {
    wd:Q137 rdfs:label ?label1 .
    wd:Q12518 rdfs:label ?label2 .
    BIND (lang(?label1) AS ?lang)
    BIND (lang(?label2) AS ?lang)
    BIND( IF( ?label1 = ?label2, "same", "different" ) AS ?result ) .
  }