With no explanation, label each line with "location-other", "product-airplane", "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Vayudoot
's
first
Dornier
228
began
service
in
1985
on
the
Delhi-Raebareli-Lucknow
route
.
Vayudoot:organization-company
's:O
first:O
Dornier:product-airplane
228:product-airplane
began:O
service:O
in:O
1985:O
on:O
the:O
Delhi-Raebareli-Lucknow:location-other
route:O
.:O