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 ":".
On
15
November
1961
,
No
.
On:O
15:O
November:O
1961:O
,:O
No:O
.:O