With no explanation, label each line with "O", "product-weapon", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
This
was
based
upon
the
Winchester
Model
64
rifle
being
chambered
in
.
25-35
WCF
and
.
30-30
Winchester
rather
than
SAAMI
specifications
.
This:O
was:O
based:O
upon:O
the:O
Winchester:product-weapon
Model:product-weapon
64:product-weapon
rifle:product-weapon
being:O
chambered:O
in:O
.:O
25-35:product-weapon
WCF:product-weapon
and:O
.:O
30-30:product-weapon
Winchester:product-weapon
rather:O
than:O
SAAMI:product-weapon
specifications:O
.:O