With no explanation, label each line with "O", "organization-other", "location-other", "product-weapon", "location-GPE", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
The
U.S.
Air
Force
dropped
several
BLU-82s
during
the
campaign
to
destroy
Taliban
and
al-Qaeda
bases
in
Afghanistan
to
attack
and
demoralize
personnel
and
to
destroy
cave
complexes
.
The:O
U.S.:organization-other
Air:organization-other
Force:organization-other
dropped:O
several:O
BLU-82s:product-weapon
during:O
the:O
campaign:O
to:O
destroy:O
Taliban:organization-other
and:O
al-Qaeda:location-other
bases:location-other
in:O
Afghanistan:location-GPE
to:O
attack:O
and:O
demoralize:O
personnel:O
and:O
to:O
destroy:O
cave:O
complexes:O
.:O