With no explanation, label each line with "product-other", "product-airplane", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Partially
due
to
a
shortage
of
engines
,
the
Allison
TF41-A-2
,
a
licensed
derivative
of
the
Rolls-Royce
Spey
engine
,
powered
the
A-7D
.
Partially:O
due:O
to:O
a:O
shortage:O
of:O
engines:O
,:O
the:O
Allison:product-airplane
TF41-A-2:product-airplane
,:O
a:O
licensed:O
derivative:O
of:O
the:O
Rolls-Royce:product-other
Spey:product-other
engine:O
,:O
powered:O
the:O
A-7D:product-airplane
.:O