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 ":".
Services
from
Echterdingen
to
Filderstadt
were
operated
by
Stuttgart
Tramways
(
``
Stuttgarter
Straßenbahnen
``
,
SSB
)
from
1920
and
the
Tramways
took
over
the
ownership
of
the
line
in
1934
.
Services:O
from:O
Echterdingen:location-GPE
to:O
Filderstadt:location-GPE
were:O
operated:O
by:O
Stuttgart:location-road/railway/highway/transit
Tramways:location-road/railway/highway/transit
(:O
``:O
Stuttgarter:location-road/railway/highway/transit
Straßenbahnen:location-road/railway/highway/transit
``:O
,:O
SSB:location-road/railway/highway/transit
):O
from:O
1920:O
and:O
the:O
Tramways:location-road/railway/highway/transit
took:O
over:O
the:O
ownership:O
of:O
the:O
line:O
in:O
1934:O
.:O