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 ":".
By
2017
,
all
German
restaurant
carriages
were
returned
to
Deutsche
Bahn
.
By:O
2017:O
,:O
all:O
German:location-GPE
restaurant:O
carriages:O
were:O
returned:O
to:O
Deutsche:location-road/railway/highway/transit
Bahn:location-road/railway/highway/transit
.:O