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
has
a
master
of
economics
from
the
University
of
Oslo
,
studying
from
1977
to
1982
.
He:O
has:O
a:O
master:O
of:O
economics:O
from:O
the:O
University:organization-education
of:organization-education
Oslo:organization-education
,:O
studying:O
from:O
1977:O
to:O
1982:O
.:O