query: embed.html#SELECT DISTINCT ?narrativeLabel ?charactersLabel ?roleLabel WHERE {
    SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
    ?narrative p:P674 ?characterStatement.
    ?characterStatement ps:P674 ?characters; pq:P3831 ?role.
  }
  ORDER BY ?narrativeLabel ?charactersLabel