With no explanation, label each line with "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
largest
open-pit
mine
in
the
world
is
operated
in
the
basin
by
the
Companhia
Vale
do
Rio
Doce
.
The:O
largest:O
open-pit:O
mine:O
in:O
the:O
world:O
is:O
operated:O
in:O
the:O
basin:O
by:O
the:organization-company
Companhia:organization-company
Vale:organization-company
do:organization-company
Rio:organization-company
Doce:organization-company
.:O