With no explanation, label each line with "O", "building-hospital", "other-educationaldegree", "organization-education", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
He
earned
his
medical
degree
from
the
Columbia
University
College
of
Physicians
and
Surgeons
in
1981
and
completed
a
surgical
residency
at
St.
Luke's-Roosevelt
Hospital
Center
and
an
orthopaedic
residency
and
fellowship
at
Columbia-Presbyterian
Medical
Center
.
He:O
earned:O
his:O
medical:other-educationaldegree
degree:other-educationaldegree
from:O
the:organization-education
Columbia:organization-education
University:organization-education
College:organization-education
of:organization-education
Physicians:organization-education
and:organization-education
Surgeons:organization-education
in:O
1981:O
and:O
completed:O
a:O
surgical:O
residency:O
at:O
St.:building-hospital
Luke's-Roosevelt:building-hospital
Hospital:building-hospital
Center:building-hospital
and:O
an:O
orthopaedic:O
residency:O
and:O
fellowship:O
at:O
Columbia-Presbyterian:building-hospital
Medical:building-hospital
Center:building-hospital
.:O