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 ":".
124
;
most
of
the
factory
's
resources
were
devoted
to
the
higher-priority
Petlyakov
Pe-2
,
a
successful
light
bomber
.
124:O
;:O
most:O
of:O
the:O
factory:O
's:O
resources:O
were:O
devoted:O
to:O
the:O
higher-priority:O
Petlyakov:product-airplane
Pe-2:product-airplane
,:O
a:O
successful:O
light:O
bomber:O
.:O