With no explanation, label each line with "art-music", "O", "art-broadcastprogram", "art-film", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
In
2010
they
released
the
single
``
Sweet
Aroma
``
,
which
became
one
of
the
most
successful
songs
of
the
band
.
In:O
2010:O
they:O
released:O
the:O
single:O
``:O
Sweet:art-music
Aroma:art-music
``:O
,:O
which:O
became:O
one:O
of:O
the:O
most:O
successful:O
songs:O
of:O
the:O
band:O
.:O