Input (grade 13): The dancers come from the Vienna State Opera Ballet and dance at different famous places in Austria, as Schönbrunn Palace, Schloss Esterházy, the Vienna State Opera or the Wiener Musikverein itself.
Output (grade 10): These dancers are often dancing in Schönbrunn Palace, Schloss Esterházy, the Vienna State Opera or in the Wiener Musikverein itself.