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 ":".
86246
,
which
had
again
suffered
from
a
serious
failure
.
86246:O
,:O
which:O
had:O
again:O
suffered:O
from:O
a:O
serious:O
failure:O
.:O