With no explanation, label each line with "O", "product-weapon", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
On
2
April
2013
,
the
Congressional
Budget
Office
(
CBO
)
issued
a
report
on
the
progress
of
the
GCV
program
.
On:O
2:O
April:O
2013:O
,:O
the:O
Congressional:organization-other
Budget:organization-other
Office:organization-other
(:O
CBO:organization-other
):O
issued:O
a:O
report:O
on:O
the:O
progress:O
of:O
the:O
GCV:product-weapon
program:O
.:O