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 ":".
At
present
,
the
Tianjin
railway
station
includes
the
Beijing–Tianjin
Intercity
Railway
and
the
North
station
railway
.
At:O
present:O
,:O
the:O
Tianjin:location-GPE
railway:O
station:O
includes:O
the:O
Beijing–Tianjin:location-road/railway/highway/transit
Intercity:location-road/railway/highway/transit
Railway:location-road/railway/highway/transit
and:O
the:O
North:location-road/railway/highway/transit
station:O
railway:O
.:O