With no explanation, label each line with "O", "person-actor", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Pile
,
Greig
,
Mangan
and
Rhind-Tutt
appeared
.
Pile:person-actor
,:O
Greig:person-actor
,:O
Mangan:person-actor
and:O
Rhind-Tutt:person-actor
appeared:O
.:O