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 ":".
During
May
and
June
1970
,
the
wing
participated
in
the
Cambodian
Campaign
aimed
at
depriving
the
enemy
the
use
of
its
sanctuary
bases
and
destroying
its
leadership
.
During:O
May:O
and:O
June:O
1970:O
,:O
the:O
wing:O
participated:O
in:O
the:O
Cambodian:organization-other
Campaign:organization-other
aimed:O
at:O
depriving:O
the:O
enemy:O
the:O
use:O
of:O
its:O
sanctuary:O
bases:O
and:O
destroying:O
its:O
leadership:O
.:O