With no explanation, label each line with "O", "organization-company", "organization-other", "product-train", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
The
six
Black
Widows
were
returned
to
their
lessor
Omni-trax
in
1998
,
and
former
SP
SD9
s
,
leased
from
BUGX
,
and
former
North
Coast
Railroad
GP9
s
,
owned
by
the
NCRA
,
were
pressed
into
service
.
The:O
six:O
Black:product-train
Widows:product-train
were:O
returned:O
to:O
their:O
lessor:O
Omni-trax:organization-company
in:O
1998:O
,:O
and:O
former:O
SP:product-train
SD9:product-train
s:O
,:O
leased:O
from:O
BUGX:organization-company
,:O
and:O
former:O
North:O
Coast:O
Railroad:O
GP9:product-train
s:O
,:O
owned:O
by:O
the:O
NCRA:organization-other
,:O
were:O
pressed:O
into:O
service:O
.:O