What is the longest opera?
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Der Ring des Nibelungen is a form of creative work, and is an example of an opera.
The musical genre of opera is Der Ring des Nibelungen .
What is the longest opera?</s> [unused1]Der Ring des Nibelungen                [unused2] is a form of creative work, and is an example of an opera.
What is the longest opera?</s>Der Ring des Nibelungen is a form of creative work, and is an example of an opera.
What is the longest opera?</s>The musical genre of opera is [unused1]Der Ring des Nibelungen                [unused2] .
What is the longest opera?</s>The musical genre of opera is Der Ring des Nibelungen .
What is the longest opera?</s>opera,0,opera,opera,0,[unused1]Der Ring des Nibelungen[unused2],[unused1]Der Ring des Nibelungen[unused2],form of creative work,opera,[unused1]Der Ring des Nibelungen[unused2],0,[unused1]Der Ring des Nibelungen[unused2]
What is the longest opera?</s>opera,0,opera,opera,0,Der Ring des Nibelungen,Der Ring des Nibelungen,form of creative work,opera,Der Ring des Nibelungen,0,Der Ring des Nibelungen