With no explanation, label each line with "organization-media/newspaper", "art-writtenart", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "building-airport" or "building-hospital" preceded by ":".
His
opera
``
Private
``
was
commissioned
for
television
by
the
ABC
and
was
broadcast
in
1969
.
His:O
opera:O
``:O
Private:art-writtenart
``:O
was:O
commissioned:O
for:O
television:O
by:O
the:O
ABC:organization-media/newspaper
and:O
was:O
broadcast:O
in:O
1969:O
.:O