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 ":".
It
stars
Maureen
O'Hara
,
John
Payne
,
Natalie
Wood
,
and
Edmund
Gwenn
.
It:O
stars:O
Maureen:person-actor
O'Hara:person-actor
,:O
John:person-actor
Payne:person-actor
,:O
Natalie:person-actor
Wood:person-actor
,:O
and:O
Edmund:person-actor
Gwenn:person-actor
.:O