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 ":".
However
,
some
designated
marksman
rifles
,
such
as
the
Mk
12
Special
Purpose
Rifle
or
the
USMC
Squad
Advanced
Marksman
Rifle
are
fitted
with
scopes
with
similar
magnification
.
However:O
,:O
some:O
designated:O
marksman:O
rifles:O
,:O
such:O
as:O
the:O
Mk:product-weapon
12:product-weapon
Special:product-weapon
Purpose:product-weapon
Rifle:product-weapon
or:O
the:O
USMC:product-weapon
Squad:product-weapon
Advanced:product-weapon
Marksman:product-weapon
Rifle:product-weapon
are:O
fitted:O
with:O
scopes:O
with:O
similar:O
magnification:O
.:O