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 ":".
The
first
upgrade
of
the
152-mm
siege
gun
M1910
resulted
in
a
weapon
with
improved
characteristics
,
but
did
n't
address
some
significant
shortcomings
,
namely
insufficient
mobility
(
due
to
unsprung
carriage
and
separate
transportation
of
barrel
)
and
limited
traverse
.
The:O
first:O
upgrade:O
of:O
the:O
152-mm:product-weapon
siege:product-weapon
gun:product-weapon
M1910:product-weapon
resulted:O
in:O
a:O
weapon:O
with:O
improved:O
characteristics:O
,:O
but:O
did:O
n't:O
address:O
some:O
significant:O
shortcomings:O
,:O
namely:O
insufficient:O
mobility:O
(:O
due:O
to:O
unsprung:O
carriage:O
and:O
separate:O
transportation:O
of:O
barrel:O
):O
and:O
limited:O
traverse:O
.:O