With no explanation, label each line with "O", "organization-politicalparty", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
This
is
a
list
of
state
,
local
and
territory
officials
who
have
formally
endorsed
or
voiced
support
for
Barack
Obama
as
the
Democratic
Party
'
s
presidential
nominee
for
the
2008
U.S.
presidential
election
This:O
is:O
a:O
list:O
of:O
state:O
,:O
local:O
and:O
territory:O
officials:O
who:O
have:O
formally:O
endorsed:O
or:O
voiced:O
support:O
for:O
Barack:person-politician
Obama:person-politician
as:O
the:O
Democratic:organization-politicalparty
Party:organization-politicalparty
':organization-politicalparty
s:O
presidential:O
nominee:O
for:O
the:O
2008:O
U.S.:O
presidential:O
election:O