With no explanation, label each line with "location-GPE", "O", "location-road/railway/highway/transit", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
railway
network
built
by
the
Japanese
during
their
forty
years
of
control
of
southern
Sakhalin
now
became
part
of
Soviet
Railways
as
well
(
as
a
separate
Sakhalin
Railway
)
,
the
only
gauge
rail
system
within
USSR
(
or
today
's
Russia
)
.
The:O
railway:O
network:O
built:O
by:O
the:O
Japanese:location-GPE
during:O
their:O
forty:O
years:O
of:O
control:O
of:O
southern:O
Sakhalin:location-GPE
now:O
became:O
part:O
of:O
Soviet:location-road/railway/highway/transit
Railways:location-road/railway/highway/transit
as:O
well:O
(:O
as:O
a:O
separate:O
Sakhalin:location-road/railway/highway/transit
Railway:location-road/railway/highway/transit
):O
,:O
the:O
only:O
gauge:O
rail:O
system:O
within:O
USSR:location-GPE
(:O
or:O
today:O
's:O
Russia:location-GPE
):O
.:O