With no explanation, label each line with "location-GPE", "O", "location-bodiesofwater", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Then
Banate
of
Severin
returned
to
John
Hunyadi
(
``
Iancu
de
Hunedoara
``
)
,
who
consolidated
all
the
castles
on
the
Danube
.
Then:O
Banate:location-GPE
of:location-GPE
Severin:location-GPE
returned:O
to:O
John:location-GPE
Hunyadi:location-GPE
(:O
``:O
Iancu:location-GPE
de:location-GPE
Hunedoara:location-GPE
``:O
):O
,:O
who:O
consolidated:O
all:O
the:O
castles:O
on:O
the:O
Danube:location-bodiesofwater
.:O