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 ":".
is
a
metro
station
on
the
Toei
Mita
Line
in
Itabashi
,
Tokyo
,
Japan
,
operated
by
Toei
Subway
.
is:O
a:O
metro:O
station:O
on:O
the:O
Toei:location-road/railway/highway/transit
Mita:location-road/railway/highway/transit
Line:location-road/railway/highway/transit
in:O
Itabashi:location-road/railway/highway/transit
,:O
Tokyo:location-GPE
,:O
Japan:location-GPE
,:O
operated:O
by:O
Toei:location-road/railway/highway/transit
Subway:location-road/railway/highway/transit
.:O