With no explanation, label each line with "O", "person-director", "person-artist/author", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
John
Glen
returned
once
again
to
direct
,
teaming
up
once
more
with
production
designer
Peter
Lamont
.
John:person-director
Glen:person-director
returned:O
once:O
again:O
to:O
direct:O
,:O
teaming:O
up:O
once:O
more:O
with:O
production:O
designer:O
Peter:person-artist/author
Lamont:person-artist/author
.:O