With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
The
final
version
was
released
on
December
9
,
2011
.
The:O
final:O
version:O
was:O
released:O
on:O
December:O
9:O
,:O
2011:O
.:O