With no explanation, label each line with "O", "product-weapon", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
Army
also
operates
approximately
150
field
artillery
pieces
including
the
M777
howitzer
and
the
LG1
Mark
II
.
The:O
Army:organization-other
also:O
operates:O
approximately:O
150:O
field:O
artillery:O
pieces:O
including:O
the:O
M777:product-weapon
howitzer:O
and:O
the:O
LG1:product-weapon
Mark:product-weapon
II:product-weapon
.:O