With no explanation, label each line with "location-GPE", "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Still
,
Gheorghiu-Dej
continued
to
strengthen
the
independence
from
the
Soviet
Union
.
Still:O
,:O
Gheorghiu-Dej:person-politician
continued:O
to:O
strengthen:O
the:O
independence:O
from:O
the:O
Soviet:location-GPE
Union:location-GPE
.:O