With no explanation, label each line with "location-GPE", "O", "building-hospital", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Rapoport
completed
training
at
the
National
Children
's
Hospital
in
Washington
,
D.C
.
and
the
Karolinska
University
Hospital
in
Stockholm
,
Sweden
.
Rapoport:person-other
completed:O
training:O
at:O
the:O
National:building-hospital
Children:building-hospital
's:building-hospital
Hospital:building-hospital
in:O
Washington:location-GPE
,:location-GPE
D.C:location-GPE
.:location-GPE
and:O
the:O
Karolinska:building-hospital
University:building-hospital
Hospital:building-hospital
in:O
Stockholm:location-GPE
,:O
Sweden:location-GPE
.:O