With no explanation, label each line with "location-GPE", "O", "organization-politicalparty", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Guido
,
a
moderate
senator
from
then-remote
Río
Negro
Province
,
had
been
elected
on
Frondizi
's
's
UCRI
ticket
.
Guido:person-politician
,:O
a:O
moderate:O
senator:O
from:O
then-remote:O
Río:location-GPE
Negro:location-GPE
Province:location-GPE
,:O
had:O
been:O
elected:O
on:O
Frondizi:person-politician
's:O
's:O
UCRI:organization-politicalparty
ticket:O
.:O