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 ":".
Rosemont
Copper
submitted
an
initial
mine
plan
in
2006
and
then
a
revised
mine
plan
in
July
2007
.
Rosemont:organization-company
Copper:organization-company
submitted:O
an:O
initial:O
mine:O
plan:O
in:O
2006:O
and:O
then:O
a:O
revised:O
mine:O
plan:O
in:O
July:O
2007:O
.:O