Input (grade 13): Der Ring des Nibelungen (The Ring of the Nibelung) is a cycle of four epic operas (or "dramas" to use the composer's preferred term) by the German composer Richard Wagner (1813 â "83).
Output (grade 8): Der Ring des Nibelungen (The Ring of the Nibelung (Alberich)) is a cycle of four operas by Richard Wagner.