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 ":".
Il
re
Teodoro
in
Venezia
is
a
1784
comic
opera
by
Giovanni
Paisiello
to
a
libretto
Giovanni
Battista
Casti
.
Il:art-other
re:art-other
Teodoro:art-other
in:art-other
Venezia:art-other
is:O
a:O
1784:O
comic:O
opera:O
by:O
Giovanni:person-artist/author
Paisiello:person-artist/author
to:O
a:O
libretto:O
Giovanni:person-artist/author
Battista:person-artist/author
Casti:person-artist/author
.:O