With no explanation, label each line with "location-GPE", "O", "person-artist/author", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Susan
Youens
(
born
1947
)
is
the
author
of
many
respected
books
on
German
lieder
.
Susan:person-artist/author
Youens:person-artist/author
(:O
born:O
1947:O
):O
is:O
the:O
author:O
of:O
many:O
respected:O
books:O
on:O
German:location-GPE
lieder:O
.:O