With no explanation, label each line with "O", "organization-company", "art-film", "person-artist/author", "art-broadcastprogram", "person-director", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
One
Droopy
Knight
is
a
1957
animated
short
subject
in
the
``
Droopy
``
series
,
directed
by
Michael
Lah
and
produced
by
William
Hanna
and
Joseph
Barbera
for
Metro-Goldwyn-Mayer
in
CinemaScope
.
One:art-broadcastprogram
Droopy:art-broadcastprogram
Knight:art-broadcastprogram
is:O
a:O
1957:O
animated:O
short:O
subject:O
in:O
the:O
``:O
Droopy:art-broadcastprogram
``:O
series:O
,:O
directed:O
by:O
Michael:person-director
Lah:person-director
and:O
produced:O
by:O
William:person-artist/author
Hanna:person-artist/author
and:O
Joseph:person-artist/author
Barbera:person-artist/author
for:O
Metro-Goldwyn-Mayer:organization-company
in:O
CinemaScope:art-film
.:O