With no explanation, label each line with "O", "person-artist/author", "person-director", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
episode
was
written
by
David
X.
Cohen
and
Matt
Groening
,
and
directed
by
Rich
Moore
and
Gregg
Vanzo
.
The:O
episode:O
was:O
written:O
by:O
David:person-artist/author
X.:person-artist/author
Cohen:person-artist/author
and:O
Matt:person-artist/author
Groening:person-artist/author
,:O
and:O
directed:O
by:O
Rich:person-director
Moore:person-director
and:O
Gregg:person-director
Vanzo:person-director
.:O