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
completed
his
medical
residency
at
the
Hospital
of
the
University
of
Pennsylvania
and
became
board
certified
in
internal
medicine
along
the
clinical
investigator
pathway
.
He:O
completed:O
his:O
medical:O
residency:O
at:O
the:O
Hospital:O
of:O
the:O
University:organization-education
of:organization-education
Pennsylvania:organization-education
and:O
became:O
board:O
certified:O
in:O
internal:O
medicine:O
along:O
the:O
clinical:O
investigator:O
pathway:O
.:O