With no explanation, label each line with "building-other", "O", "location-GPE", "art-music", "person-artist/author", "art-broadcastprogram", "art-film", "art-other", "art-painting" or "art-writtenart" preceded by ":".
The
duo
appeared
with
Kanye
West
to
perform
a
reworked
version
of
``
Stronger
``
on
stage
at
the
Staples
Center
in
Los
Angeles
.
The:O
duo:O
appeared:O
with:O
Kanye:person-artist/author
West:person-artist/author
to:O
perform:O
a:O
reworked:O
version:O
of:O
``:O
Stronger:art-music
``:O
on:O
stage:O
at:O
the:O
Staples:building-other
Center:building-other
in:O
Los:location-GPE
Angeles:location-GPE
.:O