With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
These
industrial
conglomerates
have
an
important
role
in
Brazilian
exports
of
iron
ore
,
steel
,
and
cellulose
(
Cenibra
)
.
These:O
industrial:O
conglomerates:O
have:O
an:O
important:O
role:O
in:O
Brazilian:location-GPE
exports:O
of:O
iron:O
ore:O
,:O
steel:O
,:O
and:O
cellulose:O
(:O
Cenibra:O
):O
.:O