With no explanation, label each line with "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
However
,
he
has
enjoyed
easy
re-election
since
1996
,
carrying
the
district
67
%
–33
%
in
2004
,
and
then
running
unopposed
in
2008
,
while
receiving
support
from
donors
and
groups
also
opposing
the
Barack
Obama
presidential
campaign
that
year
.
However:O
,:O
he:O
has:O
enjoyed:O
easy:O
re-election:O
since:O
1996:O
,:O
carrying:O
the:O
district:O
67:O
%:O
–33:O
%:O
in:O
2004:O
,:O
and:O
then:O
running:O
unopposed:O
in:O
2008:O
,:O
while:O
receiving:O
support:O
from:O
donors:O
and:O
groups:O
also:O
opposing:O
the:O
Barack:person-politician
Obama:person-politician
presidential:O
campaign:O
that:O
year:O
.:O