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 ":".
He
retired
January
6
,
1993
.
He:O
retired:O
January:O
6:O
,:O
1993:O
.:O