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 ":".
Further
,
in
1959
,
it
manufactured
the
first
Electrical
Multiple
Unit
coach
for
Indian
Railways
.
Further:O
,:O
in:O
1959:O
,:O
it:O
manufactured:O
the:O
first:O
Electrical:product-train
Multiple:product-train
Unit:product-train
coach:O
for:O
Indian:organization-company
Railways:organization-company
.:O