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 ":".
Commercial
vehicles
have
license
plates
with
red
symbols
on
an
orange
background
.
Commercial:O
vehicles:O
have:O
license:O
plates:O
with:O
red:O
symbols:O
on:O
an:O
orange:O
background:O
.:O