With no explanation, label each line with "location-GPE", "O", "organization-government/governmentagency", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Until
1806
,
Austria
was
the
leading
state
of
the
Holy
Roman
Empire
.
Until:O
1806:O
,:O
Austria:location-GPE
was:O
the:O
leading:O
state:O
of:O
the:O
Holy:organization-government/governmentagency
Roman:organization-government/governmentagency
Empire:organization-government/governmentagency
.:O