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 ":".
His
philanthropic
works
were
legion
.
His:O
philanthropic:O
works:O
were:O
legion:O
.:O