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 ":".
We
had
n't
much
breath
left
for
whistling
.
We:O
had:O
n't:O
much:O
breath:O
left:O
for:O
whistling:O
.:O