With no explanation, label each line with "O", "location-other", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
A
decade
later
,
in
1958
,
he
became
one
of
the
original
officers
of
the
Ghana
Regiment
,
when
the
Gold
Coast
gained
its
independence
.
A:O
decade:O
later:O
,:O
in:O
1958:O
,:O
he:O
became:O
one:O
of:O
the:O
original:O
officers:O
of:O
the:O
Ghana:organization-other
Regiment:organization-other
,:O
when:O
the:O
Gold:location-other
Coast:location-other
gained:O
its:O
independence:O
.:O