With no explanation, label each line with "O", "event-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
On
their
first
``
Music
Bank
``
comeback
stage
,
they
won
the
``
K-Chart
!
On:O
their:O
first:O
``:O
Music:event-other
Bank:event-other
``:O
comeback:O
stage:O
,:O
they:O
won:O
the:O
``:O
K-Chart:O
!:O