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 ":".
Instead
,
work
would
occur
on
weekends
and
nights
,
and
construction
could
be
finished
in
15
to
20
months
.
Instead:O
,:O
work:O
would:O
occur:O
on:O
weekends:O
and:O
nights:O
,:O
and:O
construction:O
could:O
be:O
finished:O
in:O
15:O
to:O
20:O
months:O
.:O