With no explanation, label each line with "organization-company", "O", "person-artist/author", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Leonard
Chess
insisted
that
Waters
record
the
song
less
than
a
month
after
Waters
had
recorded
a
version
for
the
rival
Parkway
label
,
featuring
his
bandmates
Little
Walter
and
Baby
Face
Leroy
Foster
.
Leonard:person-other
Chess:person-other
insisted:O
that:O
Waters:person-artist/author
record:O
the:O
song:O
less:O
than:O
a:O
month:O
after:O
Waters:person-artist/author
had:O
recorded:O
a:O
version:O
for:O
the:O
rival:O
Parkway:organization-company
label:O
,:O
featuring:O
his:O
bandmates:O
Little:person-artist/author
Walter:person-artist/author
and:O
Baby:person-artist/author
Face:person-artist/author
Leroy:person-artist/author
Foster:person-artist/author
.:O