With no explanation, label each line with "location-GPE", "person-soldier", "O", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
During
1939-1945
,
Ovchinnikov
fought
in
the
Soviet-Finnish
War
on
the
Karelian
Isthmus
and
World
War
II
.
During:O
1939-1945:O
,:O
Ovchinnikov:person-soldier
fought:O
in:O
the:O
Soviet-Finnish:event-attack/battle/war/militaryconflict
War:event-attack/battle/war/militaryconflict
on:O
the:O
Karelian:location-GPE
Isthmus:location-GPE
and:O
World:event-attack/battle/war/militaryconflict
War:event-attack/battle/war/militaryconflict
II:event-attack/battle/war/militaryconflict
.:O