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 ":".
Disappearing
carriages
folded
down
to
hide
the
gun
behind
a
parapet
for
reloading
.
Disappearing:O
carriages:O
folded:O
down:O
to:O
hide:O
the:O
gun:O
behind:O
a:O
parapet:O
for:O
reloading:O
.:O