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
has
authored
,
co-authored
or
edited
13
books
and
numerous
articles
.
He:O
has:O
authored:O
,:O
co-authored:O
or:O
edited:O
13:O
books:O
and:O
numerous:O
articles:O
.:O