Original sentence: For 2018, the announced contestants were the Berlin State Opera-Malakhov's 1999 Nutcracker, the Royal Opera House's 2016 Nutcracker, the Mariinsky's 2012 Nutcracker, the Czech National Ballet's 2013 The Nutcracker and the Opernhaus Zurich's 2018 The Nutcracker''
Edited sentence: For 2018, the announced contestants were the Berlin State Opera-Malakhov's 1999 Nutcracker, the Royal Opera House's 2016 Nutcracker, the Mariinsky's 2012 Nutcracker, the Czech National Ballet's 2013 The Nutcracker and the Opernhaus Zurich's 2018 The Nutcracker.So far, the Baryshnikov Nutcracker'', which is perhaps the bestselling version on DVD, has never been one of the contestants