With no explanation, label each line with "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
It
was
produced
by
Richard
D.
Zanuck
and
David
Brown
.
It:O
was:O
produced:O
by:O
Richard:person-other
D.:person-other
Zanuck:person-other
and:O
David:person-other
Brown:person-other
.:O