With no explanation, label each line with "location-GPE", "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Frederick
elected
Lothair
of
Saxony
over
Duke
Frederick
II
of
Swabia
in
1125
,
after
first
offering
the
crown
of
Germany
to
Charles
I
the
Good
of
Flanders
.
Frederick:O
elected:O
Lothair:person-other
of:O
Saxony:O
over:O
Duke:O
Frederick:person-other
II:person-other
of:O
Swabia:O
in:O
1125:O
,:O
after:O
first:O
offering:O
the:O
crown:O
of:O
Germany:location-GPE
to:O
Charles:person-other
I:person-other
the:O
Good:O
of:O
Flanders:O
.:O