With no explanation, label each line with "O", "building-hospital", "person-scholar", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
While
at
Beth
Israel
Medical
Center
(
2000
-
2014
)
,
Dr
.
Poretsky
served
as
Chief
of
the
Division
of
Endocrinology
,
Vice-Chairman
for
Research
,
and
Interim
Chairman
in
the
Department
of
Medicine
.
While:O
at:O
Beth:building-hospital
Israel:building-hospital
Medical:building-hospital
Center:building-hospital
(:O
2000:O
-:O
2014:O
):O
,:O
Dr:O
.:O
Poretsky:person-scholar
served:O
as:O
Chief:O
of:O
the:O
Division:O
of:O
Endocrinology:O
,:O
Vice-Chairman:O
for:O
Research:O
,:O
and:O
Interim:O
Chairman:O
in:O
the:O
Department:O
of:O
Medicine:O
.:O