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
since
published
several
more
books
,
winning
a
number
of
literary
prizes
.
He:O
has:O
since:O
published:O
several:O
more:O
books:O
,:O
winning:O
a:O
number:O
of:O
literary:O
prizes:O
.:O