With no explanation, label each line with "O", "person-artist/author", "art-other", "art-broadcastprogram", "art-film", "art-music", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Mascagni
had
substantially
finished
the
composition
of
``
Ratcliff
``
before
the
success
of
his
first
opera
,
``
Cavalleria
rusticana
``
.
Mascagni:person-artist/author
had:O
substantially:O
finished:O
the:O
composition:O
of:O
``:O
Ratcliff:art-other
``:O
before:O
the:O
success:O
of:O
his:O
first:O
opera:O
,:O
``:O
Cavalleria:art-other
rusticana:art-other
``:O
.:O