With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
``
Formalism
''
is
the
concept
of
‘
music
for
music
’
s
sake
’
and
refers
only
to
instrumental
music
without
words
.
``:O
Formalism:O
'':O
is:O
the:O
concept:O
of:O
‘:O
music:O
for:O
music:O
’:O
s:O
sake:O
’:O
and:O
refers:O
only:O
to:O
instrumental:O
music:O
without:O
words:O
.:O