With no explanation, label each line with "O", "organization-government/governmentagency", "product-train", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
Soviet
Union
used
a
different
solution
to
hammer
blow
with
their
2-10-4
(
and
2-8-2
)
locomotive
design
.
The:O
Soviet:organization-government/governmentagency
Union:organization-government/governmentagency
used:O
a:O
different:O
solution:O
to:O
hammer:O
blow:O
with:O
their:O
2-10-4:product-train
(:O
and:O
2-8-2:product-train
):O
locomotive:O
design:O
.:O