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 ":".
Headquarters
,
Aviation
Engineer
Force
administered
the
base
for
the
next
six
years
while
a
runway
was
laid
down
,
and
appropriate
support
facilities
(
hangars
,
maintenance
shops
,
warehouses
,
barracks
,
and
other
infrastructure
)
was
laid
out
and
constructed
.
Headquarters:O
,:O
Aviation:organization-other
Engineer:organization-other
Force:organization-other
administered:O
the:O
base:O
for:O
the:O
next:O
six:O
years:O
while:O
a:O
runway:O
was:O
laid:O
down:O
,:O
and:O
appropriate:O
support:O
facilities:O
(:O
hangars:O
,:O
maintenance:O
shops:O
,:O
warehouses:O
,:O
barracks:O
,:O
and:O
other:O
infrastructure:O
):O
was:O
laid:O
out:O
and:O
constructed:O
.:O