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
jump
was
conducted
from
a
dangerously
low
altitude
of
490
feet
.
The:O
jump:O
was:O
conducted:O
from:O
a:O
dangerously:O
low:O
altitude:O
of:O
490:O
feet:O
.:O