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 ":".
Troopers
are
also
issued
the
Remington
870
12
gauge
shotgun
and
each
patrol
vehicle
carries
a
Colt
AR-15/M4
carbine
rifle
.
Troopers:O
are:O
also:O
issued:O
the:O
Remington:product-weapon
870:product-weapon
12:O
gauge:O
shotgun:O
and:O
each:O
patrol:O
vehicle:O
carries:O
a:O
Colt:product-weapon
AR-15/M4:product-weapon
carbine:O
rifle:O
.:O