With no explanation, label each line with "O", "organization-politicalparty", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
On
4
September
1970
,
he
obtained
a
narrow
plurality
of
36.2
%
to
34.9
%
over
Jorge
Alessandri
,
a
former
president
,
with
27.8
%
going
to
a
third
candidate
(
Radomiro
Tomic
)
of
the
Christian
Democratic
Party
(
PDC
)
.
On:O
4:O
September:O
1970:O
,:O
he:O
obtained:O
a:O
narrow:O
plurality:O
of:O
36.2:O
%:O
to:O
34.9:O
%:O
over:O
Jorge:person-politician
Alessandri:person-politician
,:O
a:O
former:O
president:O
,:O
with:O
27.8:O
%:O
going:O
to:O
a:O
third:O
candidate:O
(:O
Radomiro:person-politician
Tomic:person-politician
):O
of:O
the:O
Christian:organization-politicalparty
Democratic:organization-politicalparty
Party:organization-politicalparty
(:O
PDC:organization-politicalparty
):O
.:O