With no explanation, label each line with "location-GPE", "O", "organization-government/governmentagency", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
In
1959
,
Symington
,
then
Chairman
of
the
National
Security
Resources
Board
in
Washington
,
D.C
.
,
was
preparing
to
run
in
the
1960
presidential
election
and
won
the
backing
of
former
President
and
fellow
Missourian
Harry
Truman
,
but
eventually
lost
the
nomination
to
Senator
John
F.
Kennedy
.
In:O
1959:O
,:O
Symington:person-politician
,:O
then:O
Chairman:O
of:O
the:O
National:organization-government/governmentagency
Security:organization-government/governmentagency
Resources:organization-government/governmentagency
Board:organization-government/governmentagency
in:O
Washington:location-GPE
,:location-GPE
D.C:location-GPE
.:location-GPE
,:O
was:O
preparing:O
to:O
run:O
in:O
the:O
1960:O
presidential:O
election:O
and:O
won:O
the:O
backing:O
of:O
former:O
President:O
and:O
fellow:O
Missourian:O
Harry:person-politician
Truman:person-politician
,:O
but:O
eventually:O
lost:O
the:O
nomination:O
to:O
Senator:O
John:person-politician
F.:person-politician
Kennedy:person-politician
.:O