With no explanation, label each line with "location-GPE", "O", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
partition
of
the
Ottoman
lands
of
the
region
of
Macedonia
between
Balkan
nation-states
after
the
conclusion
of
the
Balkan
Wars
(
1912–1913
)
and
World
War
I
(
1914–1918
)
left
the
area
divided
.
The:O
partition:O
of:O
the:O
Ottoman:location-GPE
lands:O
of:O
the:O
region:O
of:O
Macedonia:location-GPE
between:O
Balkan:location-GPE
nation-states:O
after:O
the:O
conclusion:O
of:O
the:O
Balkan:event-attack/battle/war/militaryconflict
Wars:event-attack/battle/war/militaryconflict
(:O
1912–1913:O
):O
and:O
World:event-attack/battle/war/militaryconflict
War:event-attack/battle/war/militaryconflict
I:event-attack/battle/war/militaryconflict
(:O
1914–1918:O
):O
left:O
the:O
area:O
divided:O
.:O