With no explanation, label each line with "O", "building-theater", "person-actor", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
As
a
stage
actor
,
Peters
has
also
appeared
on
Broadway
.
As:O
a:O
stage:O
actor:O
,:O
Peters:person-actor
has:O
also:O
appeared:O
on:O
Broadway:building-theater
.:O