With no explanation, label each line with "O", "person-politician", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
2004
,
Fong
was
a
leader
of
the
John
Hoeven
re-election
campaign
.
In:O
2004:O
,:O
Fong:person-other
was:O
a:O
leader:O
of:O
the:O
John:person-politician
Hoeven:person-politician
re-election:O
campaign:O
.:O