With no explanation, label each line with "O", "product-weapon", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Parabellum
commonly
refers
to
the
9×19mm
Parabellum
firearms
cartridge
designed
by
Georg
Luger
and
introduced
in
1902
for
the
Luger
pistol
.
Parabellum:product-weapon
commonly:O
refers:O
to:O
the:O
9×19mm:O
Parabellum:product-weapon
firearms:product-weapon
cartridge:product-weapon
designed:O
by:O
Georg:person-other
Luger:person-other
and:O
introduced:O
in:O
1902:O
for:O
the:O
Luger:product-weapon
pistol:product-weapon
.:O