With no explanation, label each line with "location-GPE", "O", "location-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Inga
Shaba
was
the
longest
HVDC
transmission
line
in
service
until
2010
,
when
it
was
overtaken
by
the
2071
km
,
±800
kV
,
6400
MW
HVDC
link
from
Xiangjiaba
Dam
to
Shanghai
in
China
.
Inga:location-other
Shaba:location-other
was:O
the:O
longest:O
HVDC:O
transmission:O
line:O
in:O
service:O
until:O
2010:O
,:O
when:O
it:O
was:O
overtaken:O
by:O
the:O
2071:O
km:O
,:O
±800:O
kV:O
,:O
6400:O
MW:O
HVDC:O
link:O
from:O
Xiangjiaba:location-GPE
Dam:location-GPE
to:O
Shanghai:location-GPE
in:O
China:location-GPE
.:O