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 ":".
(
Stuart
Pankin
)
.
(:O
Stuart:person-actor
Pankin:person-actor
):O
.:O