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 ":".
The
main
armament
of
the
Type
2
Ho-I
was
a
Type
99
75
mm
tank
gun
,
and
secondary
armament
was
a
single
7.7
mm
Type
97
Light
Machine
Gun
in
the
hull
.
The:O
main:O
armament:O
of:O
the:O
Type:product-weapon
2:product-weapon
Ho-I:product-weapon
was:O
a:O
Type:product-weapon
99:product-weapon
75:O
mm:O
tank:O
gun:O
,:O
and:O
secondary:O
armament:O
was:O
a:O
single:O
7.7:O
mm:O
Type:product-weapon
97:product-weapon
Light:product-weapon
Machine:product-weapon
Gun:product-weapon
in:O
the:O
hull:O
.:O