With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
(
Troopers
may
also
carry
a
personal
weapon
,
provided
it
is
chambered
in
9mm
,
.40
S
&
amp
;
W
,
or
.45
auto
.
)
.
(:O
Troopers:O
may:O
also:O
carry:O
a:O
personal:O
weapon:O
,:O
provided:O
it:O
is:O
chambered:O
in:O
9mm:O
,:O
.40:O
S:O
&:O
amp:O
;:O
W:O
,:O
or:O
.45:O
auto:O
.:O
):O
.:O