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 ":".
Nude
Descending
a
Staircase
,
No
.
Nude:O
Descending:O
a:O
Staircase:O
,:O
No:O
.:O