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 ":".
Located
at
the
rear
of
the
loading
hatch
was
a
``
Nahverteidigungswaffe
``
launcher
which
was
used
for
close
defence
against
infantry
in
addition
to
a
frontal
mounted
7.92
mm
MG
34
machine
gun
.
Located:O
at:O
the:O
rear:O
of:O
the:O
loading:O
hatch:O
was:O
a:O
``:O
Nahverteidigungswaffe:product-weapon
``:O
launcher:O
which:O
was:O
used:O
for:O
close:O
defence:O
against:O
infantry:O
in:O
addition:O
to:O
a:O
frontal:O
mounted:O
7.92:product-weapon
mm:product-weapon
MG:product-weapon
34:product-weapon
machine:product-weapon
gun:product-weapon
.:O