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 ":".
It
is
written
by
its
core
cast
,
Jo
Brand
,
Vicki
Pepperdine
,
and
Joanna
Scanlan
.
It:O
is:O
written:O
by:O
its:O
core:O
cast:O
,:O
Jo:person-artist/author
Brand:person-artist/author
,:O
Vicki:person-artist/author
Pepperdine:person-artist/author
,:O
and:O
Joanna:person-artist/author
Scanlan:person-artist/author
.:O