With no explanation, label each line with "art-music", "O", "organization-other", "person-other", "art-broadcastprogram", "art-film", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Shagrath
has
also
played
guest
keyboards
in
the
black
metal
band
Ragnarok
,
and
had
a
solo
project
named
Starkness
.
Shagrath:person-other
has:O
also:O
played:O
guest:O
keyboards:O
in:O
the:O
black:organization-other
metal:organization-other
band:organization-other
Ragnarok:organization-other
,:O
and:O
had:O
a:O
solo:O
project:O
named:O
Starkness:art-music
.:O