With no explanation, label each line with "product-airplane", "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
One
test
flight
in
spring
1917
ended
in
mishap
,
and
the
Luftstreitkräfte
refused
to
order
the
G.I
into
production
.
One:O
test:O
flight:O
in:O
spring:O
1917:O
ended:O
in:O
mishap:O
,:O
and:O
the:O
Luftstreitkräfte:organization-other
refused:O
to:O
order:O
the:O
G.I:product-airplane
into:O
production:O
.:O