With no explanation, label each line with "location-GPE", "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
late
August
1944
,
the
Red
Army
entered
eastern
Romania
.
In:O
late:O
August:O
1944:O
,:O
the:O
Red:organization-other
Army:organization-other
entered:O
eastern:O
Romania:location-GPE
.:O