With no explanation, label each line with "location-GPE", "building-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
Leningrad
Nuclear
Power
Plant
is
located
in
the
city
of
Sosnovy
Bor
.
The:O
Leningrad:building-other
Nuclear:building-other
Power:building-other
Plant:building-other
is:O
located:O
in:O
the:O
city:O
of:O
Sosnovy:location-GPE
Bor:location-GPE
.:O