With no explanation, label each line with "art-writtenart", "O", "person-artist/author", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "building-airport" or "building-hospital" preceded by ":".
The
Book
of
Swords
Series
is
a
series
of
science
fiction/fantasy
novels
written
by
Fred
Saberhagen
from
1983
to
1995
.
The:O
Book:O
of:O
Swords:art-writtenart
Series:art-writtenart
is:O
a:O
series:O
of:O
science:O
fiction/fantasy:O
novels:O
written:O
by:O
Fred:person-artist/author
Saberhagen:person-artist/author
from:O
1983:O
to:O
1995:O
.:O