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 ":".
Twelve
people
were
killed
,
including
seven
crew
on
board
the
ship
,
and
the
five
occupants
of
four
cars
which
fell
45
m
(
150
feet
)
after
driving
off
the
bridge
.
Twelve:O
people:O
were:O
killed:O
,:O
including:O
seven:O
crew:O
on:O
board:O
the:O
ship:O
,:O
and:O
the:O
five:O
occupants:O
of:O
four:O
cars:O
which:O
fell:O
45:O
m:O
(:O
150:O
feet:O
):O
after:O
driving:O
off:O
the:O
bridge:O
.:O