With no explanation, label each line with "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
All
vehicles
were
built
in
2004
and
were
identical
to
the
class
640
and
648
railcars
of
Deutsche
Bahn
.
All:O
vehicles:O
were:O
built:O
in:O
2004:O
and:O
were:O
identical:O
to:O
the:O
class:O
640:O
and:O
648:O
railcars:O
of:O
Deutsche:organization-company
Bahn:organization-company
.:O