With no explanation, label each line with "O", "building-theater", "person-actor", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
McClanahan
bowed
out
of
the
role
of
Lily
and
was
replaced
by
Polly
Bergen
as
the
production
moved
on
to
Broadway
.
McClanahan:person-actor
bowed:O
out:O
of:O
the:O
role:O
of:O
Lily:person-other
and:O
was:O
replaced:O
by:O
Polly:person-actor
Bergen:person-actor
as:O
the:O
production:O
moved:O
on:O
to:O
Broadway:building-theater
.:O