With no explanation, label each line with "product-game", "O", "product-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Bubble
Bobble
Revolution
is
a
2D
platform
game
for
the
Nintendo
DS
.
Bubble:product-game
Bobble:product-game
Revolution:product-game
is:O
a:O
2D:O
platform:O
game:O
for:O
the:O
Nintendo:product-other
DS:product-other
.:O