With no explanation, label each line with "O", "person-artist/author", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Padula
contracted
with
two
writers
,
and
Charles
Strouse
and
Lee
Adams
wrote
seven
songs
for
their
libretto
.
Padula:person-artist/author
contracted:O
with:O
two:O
writers:O
,:O
and:O
Charles:person-artist/author
Strouse:person-artist/author
and:O
Lee:person-artist/author
Adams:person-artist/author
wrote:O
seven:O
songs:O
for:O
their:O
libretto:O
.:O