With no explanation, label each line with "product-other", "location-GPE", "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
The
ÖBB
Class
2143
is
a
class
of
diesel-hydraulic
locomotives
operated
by
Austrian
Federal
Railways
(
ÖBB
)
in
Austria
.
The:O
ÖBB:product-other
Class:product-other
2143:product-other
is:O
a:O
class:O
of:O
diesel-hydraulic:O
locomotives:O
operated:O
by:O
Austrian:organization-company
Federal:organization-company
Railways:organization-company
(:O
ÖBB:organization-company
):O
in:O
Austria:location-GPE
.:O