With no explanation, label each line with "product-airplane", "O", "organization-government/governmentagency", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
The
NTSB
also
noted
that
even
though
Douglas
and
the
FAA
had
been
aware
of
previous
DC-9
accidents
in
icing
conditions
,
but
had
poor
oversight
.
The:O
NTSB:organization-government/governmentagency
also:O
noted:O
that:O
even:O
though:O
Douglas:person-other
and:O
the:O
FAA:organization-government/governmentagency
had:O
been:O
aware:O
of:O
previous:O
DC-9:product-airplane
accidents:O
in:O
icing:O
conditions:O
,:O
but:O
had:O
poor:O
oversight:O
.:O