With no explanation, label each line with "O", "other-currency", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Plans
for
the
addition
of
a
new
floor
,
the
infill
of
the
light
well
and
a
major
seismic
retrofit
were
considered
,
with
costs
estimated
in
2011
to
be
between
$
176
million
and
$
220
million
.
Plans:O
for:O
the:O
addition:O
of:O
a:O
new:O
floor:O
,:O
the:O
infill:O
of:O
the:O
light:O
well:O
and:O
a:O
major:O
seismic:O
retrofit:O
were:O
considered:O
,:O
with:O
costs:O
estimated:O
in:O
2011:O
to:O
be:O
between:O
$:other-currency
176:O
million:O
and:O
$:other-currency
220:O
million:O
.:O