With no explanation, label each line with "location-GPE", "O", "product-weapon", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
The
M1917
Browning
machine
gun
is
a
heavy
machine
gun
used
by
the
United
States
armed
forces
in
World
War
I
,
World
War
II
,
and
the
Korean
War
;
it
has
also
been
used
by
other
nations
.
The:O
M1917:product-weapon
Browning:product-weapon
machine:O
gun:O
is:O
a:O
heavy:O
machine:O
gun:O
used:O
by:O
the:O
United:location-GPE
States:location-GPE
armed:O
forces:O
in:O
World:event-attack/battle/war/militaryconflict
War:event-attack/battle/war/militaryconflict
I:event-attack/battle/war/militaryconflict
,:O
World:event-attack/battle/war/militaryconflict
War:event-attack/battle/war/militaryconflict
II:event-attack/battle/war/militaryconflict
,:O
and:O
the:O
Korean:event-attack/battle/war/militaryconflict
War:event-attack/battle/war/militaryconflict
;:O
it:O
has:O
also:O
been:O
used:O
by:O
other:O
nations:O
.:O