With no explanation, label each line with "O", "other-language", "event-other", "person-politician", "location-GPE", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
At
that
time
,
then-
President
Getúlio
Vargas
started
a
campaign
of
nationalization
(
similar
to
the
Nacionalismo
of
neighboring
Argentina
)
to
try
to
force
non-
Portuguese
speakers
of
Brazil
to
``
better
integrate
''
into
the
national
mainstream
culture
.
At:O
that:O
time:O
,:O
then-:O
President:person-politician
Getúlio:person-politician
Vargas:person-politician
started:O
a:O
campaign:O
of:O
nationalization:O
(:O
similar:O
to:O
the:O
Nacionalismo:event-other
of:O
neighboring:O
Argentina:location-GPE
):O
to:O
try:O
to:O
force:O
non-:O
Portuguese:other-language
speakers:O
of:O
Brazil:location-GPE
to:O
``:O
better:O
integrate:O
'':O
into:O
the:O
national:O
mainstream:O
culture:O
.:O