With no explanation, label each line with "O", "organization-education", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
He
graduated
from
Vasil
Levski
National
Military
University
in
1985
,
and
was
commissioned
into
the
military
.
He:O
graduated:O
from:O
Vasil:organization-education
Levski:organization-education
National:organization-education
Military:organization-education
University:organization-education
in:O
1985:O
,:O
and:O
was:O
commissioned:O
into:O
the:O
military:O
.:O