With no explanation, label each line with "product-game", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
OST
was
included
with
the
X360
version
of
game
for
a
limited
time
.
The:O
OST:product-game
was:O
included:O
with:O
the:O
X360:product-game
version:O
of:O
game:O
for:O
a:O
limited:O
time:O
.:O