With no explanation, label each line with "O", "event-election", "person-politician", "location-GPE", "organization-government/governmentagency", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
He
gained
national
attention
during
the
2008
U.S.
presidential
election
when
,
during
a
videotaped
campaign
stop
in
Ohio
by
then
Democratic
nominee
Senator
Barack
Obama
,
Wurzelbacher
raised
concerns
that
Obama
's
tax
policy
would
increase
taxes
on
small
business
owners
.
He:O
gained:O
national:O
attention:O
during:O
the:O
2008:O
U.S.:event-election
presidential:event-election
election:event-election
when:O
,:O
during:O
a:O
videotaped:O
campaign:O
stop:O
in:O
Ohio:location-GPE
by:O
then:O
Democratic:organization-government/governmentagency
nominee:organization-government/governmentagency
Senator:organization-government/governmentagency
Barack:person-politician
Obama:person-politician
,:O
Wurzelbacher:person-politician
raised:O
concerns:O
that:O
Obama:person-politician
's:O
tax:O
policy:O
would:O
increase:O
taxes:O
on:O
small:O
business:O
owners:O
.:O