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
total
length
of
each
ten-car
train
is
,
carrying
up
to
600
passengers
.
The:O
total:O
length:O
of:O
each:O
ten-car:O
train:O
is:O
,:O
carrying:O
up:O
to:O
600:O
passengers:O
.:O