With no explanation, label each line with "location-GPE", "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
At
the
time
of
his
arrest
,
Duke
was
reportedly
guarded
by
members
of
the
``
Národní
Odpor
``
.
At:O
the:O
time:O
of:O
his:O
arrest:O
,:O
Duke:location-GPE
was:O
reportedly:O
guarded:O
by:O
members:O
of:O
the:O
``:O
Národní:organization-other
Odpor:organization-other
``:O
.:O