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 ":".
Schmid
's
Thompson
submachine
gun
jammed
on
the
first
round
,
and
he
could
not
get
off
one
shot
.
Schmid:person-other
's:O
Thompson:product-weapon
submachine:product-weapon
gun:product-weapon
jammed:O
on:O
the:O
first:O
round:O
,:O
and:O
he:O
could:O
not:O
get:O
off:O
one:O
shot:O
.:O