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 ":".
The
two
vessels
burst
into
flame
.
The:O
two:O
vessels:O
burst:O
into:O
flame:O
.:O