With no explanation, label each line with "location-GPE", "O", "product-weapon", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
54
was
the
first
successful
production
run
civilian
centerfire
bolt
action
for
Winchester
.
The:product-weapon
54:product-weapon
was:O
the:O
first:O
successful:O
production:O
run:O
civilian:O
centerfire:O
bolt:O
action:O
for:O
Winchester:location-GPE
.:O