With no explanation, label each line with "building-other", "O", "organization-other", "product-weapon", "location-GPE", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
By
July
1987
,
the
International
Institute
for
Strategic
Studies
estimated
that
the
Land
Forces
were
organised
in
eight
motor
rifle
divisions
,
five
tank
brigades
;
four
surface-to-surface
missile
brigades
with
``
Scud
``
SSMs
;
three
artillery
regiments
;
three
anti-aircraft
artillery
regiments
;
a
SAM
brigade
;
and
a
parachute
regiment
(
later
identified
as
the
68th
Independent
Parachute
Reconnaissance
Regiment
,
forerunner
to
today
's
68th
Special
Forces
Brigade
(
Bulgaria
)
)
and
special
commando
companies
.
By:O
July:O
1987:O
,:O
the:O
International:building-other
Institute:building-other
for:building-other
Strategic:building-other
Studies:building-other
estimated:O
that:O
the:O
Land:organization-other
Forces:organization-other
were:O
organised:O
in:O
eight:O
motor:O
rifle:O
divisions:O
,:O
five:O
tank:O
brigades:O
;:O
four:O
surface-to-surface:O
missile:O
brigades:O
with:O
``:O
Scud:product-weapon
``:O
SSMs:product-weapon
;:O
three:O
artillery:O
regiments:O
;:O
three:O
anti-aircraft:O
artillery:O
regiments:O
;:O
a:O
SAM:organization-other
brigade:organization-other
;:O
and:O
a:O
parachute:O
regiment:O
(:O
later:O
identified:O
as:O
the:O
68th:organization-other
Independent:organization-other
Parachute:organization-other
Reconnaissance:organization-other
Regiment:organization-other
,:O
forerunner:O
to:O
today:O
's:O
68th:organization-other
Special:organization-other
Forces:organization-other
Brigade:organization-other
(:O
Bulgaria:location-GPE
):O
):O
and:O
special:O
commando:O
companies:O
.:O