With no explanation, label each line with "O", "building-hospital", "organization-other", "organization-education", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
In
the
years
1950–51
he
was
resident
medical
officer
at
the
Royal
Prince
Alfred
Hospital
and
in
1952–53
he
took
up
a
fellowship
at
the
National
Health
and
Medical
Research
Council
at
Sydney
University
,
graduating
with
a
Doctor
of
Medicine
degree
.
In:O
the:O
years:O
1950–51:O
he:O
was:O
resident:O
medical:O
officer:O
at:O
the:O
Royal:building-hospital
Prince:building-hospital
Alfred:building-hospital
Hospital:building-hospital
and:O
in:O
1952–53:O
he:O
took:O
up:O
a:O
fellowship:O
at:O
the:O
National:organization-other
Health:organization-other
and:organization-other
Medical:organization-other
Research:organization-other
Council:organization-other
at:O
Sydney:organization-education
University:organization-education
,:O
graduating:O
with:O
a:O
Doctor:O
of:O
Medicine:O
degree:O
.:O