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 ":".
It
closed
on
9
March
1936
.
It:O
closed:O
on:O
9:O
March:O
1936:O
.:O