With no explanation, label each line with "O", "person-artist/author", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
In
concert
,
Bono
began
introducing
the
song
with
the
disclaimer
``
this
song
is
``
not
''
a
rebel
song
''
.
In:O
concert:O
,:O
Bono:person-artist/author
began:O
introducing:O
the:O
song:O
with:O
the:O
disclaimer:O
``:O
this:O
song:O
is:O
``:O
not:O
'':O
a:O
rebel:O
song:O
'':O
.:O