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 ":".
A
few
days
later
,
all
trucks
and
buses
were
banned
from
the
bridge
.
A:O
few:O
days:O
later:O
,:O
all:O
trucks:O
and:O
buses:O
were:O
banned:O
from:O
the:O
bridge:O
.:O