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 ":".
He
joined
the
Canadian
Armed
Forces
and
served
with
them
for
25
years
in
the
Combat
Systems
Engineering
Department
in
the
Canadian
Armed
Forces
attaining
the
rank
of
Chief
Petty
Officer
1st
Class
.
He:O
joined:O
the:O
Canadian:organization-other
Armed:organization-other
Forces:organization-other
and:O
served:O
with:O
them:O
for:O
25:O
years:O
in:O
the:O
Combat:organization-other
Systems:organization-other
Engineering:organization-other
Department:organization-other
in:O
the:O
Canadian:organization-other
Armed:organization-other
Forces:organization-other
attaining:O
the:O
rank:O
of:O
Chief:O
Petty:O
Officer:O
1st:O
Class:O
.:O