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 ":".
Ten
floors
of
the
hotel
collapsed
following
the
blast
.
Ten:O
floors:O
of:O
the:O
hotel:O
collapsed:O
following:O
the:O
blast:O
.:O