With no explanation, label each line with "location-GPE", "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Generators
for
the
left
power
house
were
originally
supplied
by
Hitachi
,
Japan
and
upgraded
to
the
present
capacity
by
Sumitomo
,
Hitachi
and
Andritz
.
Generators:O
for:O
the:O
left:O
power:O
house:O
were:O
originally:O
supplied:O
by:O
Hitachi:organization-company
,:O
Japan:location-GPE
and:O
upgraded:O
to:O
the:O
present:O
capacity:O
by:O
Sumitomo:organization-company
,:O
Hitachi:organization-company
and:O
Andritz:organization-company
.:O