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 ":".
This
addition
to
his
already
plentiful
holdings
made
Henry
the
most
powerful
vassal
in
France
.
This:O
addition:O
to:O
his:O
already:O
plentiful:O
holdings:O
made:O
Henry:person-politician
the:O
most:O
powerful:O
vassal:O
in:O
France:location-GPE
.:O