With no explanation, label each line with "location-GPE", "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Sweden
was
accepted
as
sovereign
in
Swedish
Livonia
,
Brandenburg
was
accepted
as
sovereign
in
Ducal
Prussia
,
and
John
II
Casimir
withdrew
his
claims
to
the
Swedish
throne
,
though
he
was
to
retain
the
title
for
life
.
Sweden:person-politician
was:O
accepted:O
as:O
sovereign:O
in:O
Swedish:location-GPE
Livonia:location-GPE
,:O
Brandenburg:person-politician
was:O
accepted:O
as:O
sovereign:O
in:O
Ducal:location-GPE
Prussia:location-GPE
,:O
and:O
John:person-politician
II:person-politician
Casimir:person-politician
withdrew:O
his:O
claims:O
to:O
the:O
Swedish:location-GPE
throne:O
,:O
though:O
he:O
was:O
to:O
retain:O
the:O
title:O
for:O
life:O
.:O