With no explanation, label each line with "location-GPE", "O", "other-language", "product-airplane", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
The
lack
of
a
shared
language
between
Soviet
,
Chinese
and
North
Korean
pilots
frequently
led
to
incidences
of
friendly
fire
as
other
MiG
fighters
were
mistaken
for
American
F-86
Sabre
jets
and
shot
down
.
The:O
lack:O
of:O
a:O
shared:O
language:O
between:O
Soviet:other-language
,:O
Chinese:other-language
and:O
North:location-GPE
Korean:location-GPE
pilots:O
frequently:O
led:O
to:O
incidences:O
of:O
friendly:O
fire:O
as:O
other:O
MiG:product-airplane
fighters:O
were:O
mistaken:O
for:O
American:product-airplane
F-86:product-airplane
Sabre:product-airplane
jets:O
and:O
shot:O
down:O
.:O