With no explanation, label each line with "location-GPE", "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Her
brothers
included
the
last
three
kings
of
Sardinia
from
the
main
line
;
the
future
Charles
Emmanuel
IV
,
Victor
Emmanuel
I
and
Charles
Felix
of
Sardinia
.
Her:O
brothers:O
included:O
the:O
last:O
three:O
kings:O
of:O
Sardinia:location-GPE
from:O
the:O
main:O
line:O
;:O
the:O
future:O
Charles:person-politician
Emmanuel:person-politician
IV:person-politician
,:O
Victor:person-politician
Emmanuel:person-politician
I:person-politician
and:O
Charles:person-politician
Felix:person-politician
of:O
Sardinia:location-GPE
.:O