With no explanation, label each line with "product-other", "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
missile
was
a
development
of
the
French
Nord
Aviation
CT20
target
missile
and
was
manufactured
by
Saab
.
The:O
missile:O
was:O
a:O
development:O
of:O
the:O
French:organization-company
Nord:organization-company
Aviation:organization-company
CT20:product-other
target:O
missile:O
and:O
was:O
manufactured:O
by:O
Saab:organization-company
.:O