With no explanation, label each line with "O", "event-other", "location-other", "location-GPE", "person-artist/author", "organization-education", "art-broadcastprogram", "person-other", "art-film" or "art-music" preceded by ":".
In
addition
to
performing
in
a
few
dozen
operas
,
he
has
twice
performed
opera
on
``
The
Today
Show
``
,
and
sang
at
the
funeral
mass
of
Tim
Russert
as
well
as
at
Russert
’
s
memorial
service
at
the
Kennedy
Center
for
the
Performing
Arts
in
Washington
,
D.C
.
Alongi
also
performed
at
both
the
2008
and
2012
Republican
National
Conventions
,
as
well
as
the
2008
Democratic
Presidential
Primary
Debate
at
Florida
Atlantic
University
.
In:O
addition:O
to:O
performing:O
in:O
a:O
few:O
dozen:O
operas:O
,:O
he:O
has:O
twice:O
performed:O
opera:O
on:O
``:O
The:art-broadcastprogram
Today:art-broadcastprogram
Show:art-broadcastprogram
``:O
,:O
and:O
sang:O
at:O
the:O
funeral:O
mass:O
of:O
Tim:person-other
Russert:person-other
as:O
well:O
as:O
at:O
Russert:person-other
’:O
s:O
memorial:O
service:O
at:O
the:O
Kennedy:location-other
Center:location-other
for:location-other
the:location-other
Performing:location-other
Arts:location-other
in:O
Washington:location-GPE
,:O
D.C:location-GPE
.:location-GPE
Alongi:person-artist/author
also:O
performed:O
at:O
both:O
the:O
2008:O
and:O
2012:O
Republican:event-other
National:event-other
Conventions:event-other
,:O
as:O
well:O
as:O
the:O
2008:O
Democratic:event-other
Presidential:event-other
Primary:event-other
Debate:event-other
at:O
Florida:organization-education
Atlantic:organization-education
University:organization-education
.:O