With no explanation, label each line with "O", "building-hospital", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
He
served
as
Director
of
the
EEG
Department
at
UBC
Hospital
from
1969
to
1994
and
Director
of
the
Seizure
Investigation
Unit
from
1980
to
1994
.
He:O
served:O
as:O
Director:O
of:O
the:O
EEG:O
Department:O
at:O
UBC:building-hospital
Hospital:building-hospital
from:O
1969:O
to:O
1994:O
and:O
Director:O
of:O
the:O
Seizure:organization-other
Investigation:organization-other
Unit:organization-other
from:O
1980:O
to:O
1994:O
.:O