With no explanation, label each line with "building-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
However
by
1980
,
it
had
become
apparent
that
the
National
Gallery
would
need
to
relocate
from
the
building
,
given
the
poor
condition
of
the
building
,
use
of
asbestos
in
the
building
,
and
inadequate
exhibition
areas
that
only
provided
the
museum
enough
space
to
only
exhibit
two
per
cent
of
its
collection
at
any
given
time
.
However:O
by:O
1980:O
,:O
it:O
had:O
become:O
apparent:O
that:O
the:O
National:building-other
Gallery:building-other
would:O
need:O
to:O
relocate:O
from:O
the:O
building:O
,:O
given:O
the:O
poor:O
condition:O
of:O
the:O
building:O
,:O
use:O
of:O
asbestos:O
in:O
the:O
building:O
,:O
and:O
inadequate:O
exhibition:O
areas:O
that:O
only:O
provided:O
the:O
museum:O
enough:O
space:O
to:O
only:O
exhibit:O
two:O
per:O
cent:O
of:O
its:O
collection:O
at:O
any:O
given:O
time:O
.:O