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 ":".
The
area
was
largely
uninhabited
until
the
Iron
Age
,
when
a
few
people
migrated
over
from
the
Achaemenid
and
Macedonian
empires
.
The:O
area:O
was:O
largely:O
uninhabited:O
until:O
the:O
Iron:O
Age:O
,:O
when:O
a:O
few:O
people:O
migrated:O
over:O
from:O
the:O
Achaemenid:location-GPE
and:O
Macedonian:location-GPE
empires:O
.:O