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 ":".
Anton
Lesser
was
the
narrator
.
Anton:person-actor
Lesser:person-actor
was:O
the:O
narrator:O
.:O