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 ":".
It
was
written
and
directed
by
Khoa
Do
and
Produced
by
Stephen
Corvini
.
It:O
was:O
written:O
and:O
directed:O
by:O
Khoa:person-director
Do:person-director
and:O
Produced:O
by:O
Stephen:person-director
Corvini:person-director
.:O