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
park
closed
in
2008
.
The:O
park:O
closed:O
in:O
2008:O
.:O