With no explanation, label each line with "O", "product-software", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
One
year
later
it
was
also
released
for
iOS
.
One:O
year:O
later:O
it:O
was:O
also:O
released:O
for:O
iOS:product-software
.:O