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
FN
P90
personal
defense
weapon
uses
a
horizontally
mounted
feeding
system
;
the
magazine
sits
parallel
to
the
barrel
,
fitting
flush
with
the
top
of
the
receiver
,
and
the
ammunition
is
rotated
90
degrees
by
a
spiral
feed
ramp
before
being
chambered
.
The:O
FN:product-weapon
P90:product-weapon
personal:O
defense:O
weapon:O
uses:O
a:O
horizontally:O
mounted:O
feeding:O
system:O
;:O
the:O
magazine:O
sits:O
parallel:O
to:O
the:O
barrel:O
,:O
fitting:O
flush:O
with:O
the:O
top:O
of:O
the:O
receiver:O
,:O
and:O
the:O
ammunition:O
is:O
rotated:O
90:O
degrees:O
by:O
a:O
spiral:O
feed:O
ramp:O
before:O
being:O
chambered:O
.:O