With no explanation, label each line with "O", "person-director", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Both
series
of
episodes
were
produced
and
directed
by
Mike
Stephens
.
Both:O
series:O
of:O
episodes:O
were:O
produced:O
and:O
directed:O
by:O
Mike:person-director
Stephens:person-director
.:O