With no explanation, label each line with "O", "person-politician", "location-GPE", "person-artist/author", "building-theater", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
In
1892
,
on
recommendation
by
czar
Alexander
III
of
Russia
,
Gunsbourg
was
invited
by
Princess
Alice
,
an
American
wife
of
Albert
I
,
Prince
of
Monaco
,
to
serve
as
the
director
of
the
Opéra
de
Monte-Carlo
.
In:O
1892:O
,:O
on:O
recommendation:O
by:O
czar:O
Alexander:person-politician
III:person-politician
of:O
Russia:location-GPE
,:O
Gunsbourg:person-artist/author
was:O
invited:O
by:O
Princess:person-politician
Alice:person-politician
,:O
an:O
American:location-GPE
wife:O
of:O
Albert:person-politician
I:person-politician
,:O
Prince:O
of:O
Monaco:location-GPE
,:O
to:O
serve:O
as:O
the:O
director:O
of:O
the:O
Opéra:building-theater
de:building-theater
Monte-Carlo:building-theater
.:O