With no explanation, label each line with "art-music", "O", "other-language", "person-artist/author", "art-broadcastprogram", "art-film", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
French
-language
libretto
is
by
Philippe
Quinault
,
after
Euripides
'
``
Alcestis
``
.
The:O
French:other-language
-language:O
libretto:O
is:O
by:O
Philippe:person-artist/author
Quinault:person-artist/author
,:O
after:O
Euripides:person-artist/author
':O
``:O
Alcestis:art-music
``:O
.:O