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 ":".
He
left
the
Hohenstaufen
fold
and
supported
William
II
of
Holland
as
king
.
He:O
left:O
the:O
Hohenstaufen:O
fold:O
and:O
supported:O
William:person-politician
II:person-politician
of:O
Holland:location-GPE
as:O
king:O
.:O