With no explanation, label each line with "O", "organization-company", "person-politician", "location-GPE", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
On
April
7
,
2016
,
federal
prosecutor
Federico
Delgado
began
a
formal
investigation
into
Macri
's
involvement
with
Fleg
Trading
Ltd
.
,
the
company
registered
in
Panama
for
which
President
Macri
was
listed
as
director
.
On:O
April:O
7:O
,:O
2016:O
,:O
federal:O
prosecutor:O
Federico:person-other
Delgado:person-other
began:O
a:O
formal:O
investigation:O
into:O
Macri:person-other
's:O
involvement:O
with:O
Fleg:organization-company
Trading:organization-company
Ltd:organization-company
.:organization-company
,:O
the:O
company:O
registered:O
in:O
Panama:location-GPE
for:O
which:O
President:O
Macri:person-politician
was:O
listed:O
as:O
director:O
.:O