With no explanation, label each line with "location-GPE", "O", "organization-government/governmentagency", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
The
episode
reveals
that
Mace
became
a
public
hero
after
the
bombing
of
a
United
Nations
meeting
in
Vienna
,
an
event
depicted
in
``
''
.
The:O
episode:O
reveals:O
that:O
Mace:person-other
became:O
a:O
public:O
hero:O
after:O
the:O
bombing:O
of:O
a:O
United:organization-government/governmentagency
Nations:organization-government/governmentagency
meeting:O
in:O
Vienna:location-GPE
,:O
an:O
event:O
depicted:O
in:O
``:O
'':O
.:O