With no explanation, label each line with "O", "location-road/railway/highway/transit", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Clinics
continued
to
be
held
at
City
Road
until
1955
,
when
a
modern
building
was
opened
at
Hanley
Road
.
Clinics:O
continued:O
to:O
be:O
held:O
at:O
City:location-road/railway/highway/transit
Road:location-road/railway/highway/transit
until:O
1955:O
,:O
when:O
a:O
modern:O
building:O
was:O
opened:O
at:O
Hanley:location-road/railway/highway/transit
Road:location-road/railway/highway/transit
.:O