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
original
span
was
closed
down
for
fifteen
months
for
refurbishment
:
its
suspenders
were
replaced
and
its
deck
and
median
barrier
were
removed
and
replaced
with
a
single
deck
to
allow
four
undivided
lanes
of
traffic
.
The:O
original:O
span:O
was:O
closed:O
down:O
for:O
fifteen:O
months:O
for:O
refurbishment:O
::O
its:O
suspenders:O
were:O
replaced:O
and:O
its:O
deck:O
and:O
median:O
barrier:O
were:O
removed:O
and:O
replaced:O
with:O
a:O
single:O
deck:O
to:O
allow:O
four:O
undivided:O
lanes:O
of:O
traffic:O
.:O