With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
With
a
population
density
of
only
0.0267/km2
(
0.0693/sq
mi
)
,
if
it
were
a
separate
county
or
county-equivalent
,
only
the
Yukon-
Koyukuk
Census
Area
of
central
Alaska
would
have
a
lower
population
density
out
of
all
U.S
.
counties
.
With:O
a:O
population:O
density:O
of:O
only:O
0.0267/km2:O
(:O
0.0693/sq:O
mi:O
):O
,:O
if:O
it:O
were:O
a:O
separate:O
county:O
or:O
county-equivalent:O
,:O
only:O
the:O
Yukon-:O
Koyukuk:location-GPE
Census:location-GPE
Area:location-GPE
of:location-GPE
central:location-GPE
Alaska:location-GPE
would:O
have:O
a:O
lower:O
population:O
density:O
out:O
of:O
all:O
U.S:location-GPE
.:location-GPE
counties:O
.:O