With no explanation, label each line with "location-GPE", "O", "other-language", "other-law", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
The
Treaty
of
Pilar
(
in
Spanish
,
``
Tratado
del
Pilar
``
)
was
a
pact
signed
among
the
rulers
of
the
Argentine
provinces
of
Santa
Fe
,
Entre
Ríos
and
Buenos
Aires
,
which
is
recognized
as
the
foundation
of
the
federal
organization
of
the
country
.
The:O
Treaty:other-law
of:other-law
Pilar:other-law
(:O
in:O
Spanish:other-language
,:O
``:O
Tratado:other-law
del:other-law
Pilar:other-law
``:O
):O
was:O
a:O
pact:O
signed:O
among:O
the:O
rulers:O
of:O
the:O
Argentine:location-GPE
provinces:O
of:O
Santa:location-GPE
Fe:location-GPE
,:O
Entre:location-GPE
Ríos:location-GPE
and:O
Buenos:location-GPE
Aires:location-GPE
,:O
which:O
is:O
recognized:O
as:O
the:O
foundation:O
of:O
the:O
federal:O
organization:O
of:O
the:O
country:O
.:O