With no explanation, label each line with "location-GPE", "building-other", "O", "location-road/railway/highway/transit", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Padi
railway
station
is
one
of
the
two
,
now
defunct
,
railway
stations
of
the
extended
southern
arm
of
the
Chennai
Central–Arakkonam
section
of
the
Chennai
Suburban
Railway
Network
,
the
other
one
being
Anna
Nagar
railway
station
.
Padi:building-other
railway:building-other
station:building-other
is:O
one:O
of:O
the:O
two:O
,:O
now:O
defunct:O
,:O
railway:O
stations:O
of:O
the:O
extended:O
southern:O
arm:O
of:O
the:O
Chennai:location-GPE
Central–Arakkonam:location-GPE
section:O
of:O
the:O
Chennai:location-road/railway/highway/transit
Suburban:location-road/railway/highway/transit
Railway:location-road/railway/highway/transit
Network:location-road/railway/highway/transit
,:O
the:O
other:O
one:O
being:O
Anna:location-road/railway/highway/transit
Nagar:location-road/railway/highway/transit
railway:location-road/railway/highway/transit
station:location-road/railway/highway/transit
.:O