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 ":".
It
took
the
appearance
in
1954
of
the
British
Railways
BR
standard
class
9F
2-10-0
to
displace
the
2800s
from
their
main
role
of
mineral
haulage
.
It:O
took:O
the:O
appearance:O
in:O
1954:O
of:O
the:O
British:organization-company
Railways:organization-company
BR:product-train
standard:product-train
class:product-train
9F:product-train
2-10-0:O
to:O
displace:O
the:O
2800s:O
from:O
their:O
main:O
role:O
of:O
mineral:O
haulage:O
.:O