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 ":".
Subsequently
Ferdinand
II
released
Upper
Austria
as
a
pawn
for
Maximilian
until
1628
.
Subsequently:O
Ferdinand:person-politician
II:person-politician
released:O
Upper:O
Austria:location-GPE
as:O
a:O
pawn:O
for:O
Maximilian:person-politician
until:O
1628:O
.:O