With no explanation, label each line with "product-other", "O", "other-currency", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Also
,
with
Microsoft
points
on
the
Xbox
360
you
can
buy
packs
of
silver
or
gold
players
,
staff
and
items
.
Also:O
,:O
with:O
Microsoft:other-currency
points:other-currency
on:O
the:O
Xbox:product-other
360:product-other
you:O
can:O
buy:O
packs:O
of:O
silver:O
or:O
gold:O
players:O
,:O
staff:O
and:O
items:O
.:O