With no explanation, label each line with "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Prior
to
his
election
to
public
office
,
he
was
a
Fighter
pilot
in
the
Canadian
Forces
.
Prior:O
to:O
his:O
election:O
to:O
public:O
office:O
,:O
he:O
was:O
a:O
Fighter:O
pilot:O
in:O
the:O
Canadian:organization-other
Forces:organization-other
.:O