With no explanation, label each line with "product-airplane", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Derived
from
the
Blackburn
Skua
and
developed
in
parallel
,
the
Roc
had
its
armament
in
a
turret
.
Derived:O
from:O
the:O
Blackburn:product-airplane
Skua:product-airplane
and:O
developed:O
in:O
parallel:O
,:O
the:O
Roc:product-airplane
had:O
its:O
armament:O
in:O
a:O
turret:O
.:O