With no explanation, label each line with "organization-showorganization", "O", "person-artist/author", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Lanegan
also
appeared
on
stage
at
Mad
Season
's
concerts
to
perform
the
songs
.
Lanegan:person-artist/author
also:O
appeared:O
on:O
stage:O
at:O
Mad:organization-showorganization
Season:organization-showorganization
's:O
concerts:O
to:O
perform:O
the:O
songs:O
.:O