With no explanation, label each line with "O", "organization-company", "person-artist/author", "person-director", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
It
was
made
by
MGM
,
adapted
for
the
screen
by
John
Lee
Mahin
,
produced
by
Arthur
Freed
and
directed
by
George
Sidney
.
It:O
was:O
made:O
by:O
MGM:organization-company
,:O
adapted:O
for:O
the:O
screen:O
by:O
John:person-artist/author
Lee:person-artist/author
Mahin:person-artist/author
,:O
produced:O
by:O
Arthur:person-artist/author
Freed:person-artist/author
and:O
directed:O
by:O
George:person-director
Sidney:person-director
.:O