With no explanation, label each line with "location-GPE", "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
He
worked
on
trade
policy
in
apartheid-era
South
Africa
through
an
internship
with
the
Presbyterian
Church
in
Washington
,
D.C
.
He:O
worked:O
on:O
trade:O
policy:O
in:O
apartheid-era:O
South:location-GPE
Africa:location-GPE
through:O
an:O
internship:O
with:O
the:O
Presbyterian:organization-other
Church:organization-other
in:O
Washington:O
,:O
D.C:O
.:O