With no explanation, label each line with "art-film", "O", "person-artist/author", "art-broadcastprogram", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
At
the
Vienna
Volksoper
two
premieres
followed
:
Pierre
Lacotte
's
``
Coppélia
``
,
and
Vesna
Orlic
's
``
Peter
Pan
``
.
At:O
the:O
Vienna:O
Volksoper:O
two:O
premieres:O
followed:O
::O
Pierre:person-artist/author
Lacotte:person-artist/author
's:O
``:art-film
Coppélia:art-film
``:O
,:O
and:O
Vesna:person-artist/author
Orlic:person-artist/author
's:O
``:O
Peter:art-film
Pan:art-film
``:O
.:O