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 ":".
It
was
easily
manufactured
from
semi
knocked
down
kits
into
a
light
truck
.
It:O
was:O
easily:O
manufactured:O
from:O
semi:O
knocked:O
down:O
kits:O
into:O
a:O
light:O
truck:O
.:O