With no explanation, label each line with "O", "organization-company", "product-train", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
British
Rail
Class
118
diesel
multiple
units
were
built
by
the
Birmingham
Railway
Carriage
&
amp
;
Wagon
Company
(
BRCW
)
and
introduced
from
1960
.
The:O
British:product-train
Rail:product-train
Class:product-train
118:product-train
diesel:O
multiple:O
units:O
were:O
built:O
by:O
the:O
Birmingham:organization-company
Railway:organization-company
Carriage:organization-company
&:organization-company
amp:organization-company
;:organization-company
Wagon:organization-company
Company:organization-company
(:O
BRCW:organization-company
):O
and:O
introduced:O
from:O
1960:O
.:O