With no explanation, label each line with "O", "person-artist/author", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
As
author
,
Anderson
wrote
books
of
poetry
,
memoirs
and
biographies
.
As:O
author:O
,:O
Anderson:person-artist/author
wrote:O
books:O
of:O
poetry:O
,:O
memoirs:O
and:O
biographies:O
.:O