With no explanation, label each line with "product-airplane", "O", "organization-company", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
In
a
throwback
to
his
days
testing
aircraft
in
high
speed
dives
,
while
at
the
RAE
Brown
performed
similar
testing
of
the
Avro
Tudor
airliner
.
In:O
a:O
throwback:O
to:O
his:O
days:O
testing:O
aircraft:O
in:O
high:O
speed:O
dives:O
,:O
while:O
at:O
the:O
RAE:organization-company
Brown:person-other
performed:O
similar:O
testing:O
of:O
the:O
Avro:product-airplane
Tudor:product-airplane
airliner:product-airplane
.:O