With no explanation, label each line with "building-library", "O", "person-artist/author", "art-other", "art-broadcastprogram", "art-film", "art-music", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
DeLillo
ended
the
decade
by
making
an
unexpected
appearance
at
a
PEN
event
on
the
steps
of
the
New
York
City
Public
Library
in
support
of
Chinese
dissident
writer
Liu
Xiaobo
,
who
was
sentenced
to
11
years
in
prison
for
``
inciting
subversion
of
state
power
''
on
December
31
,
2009
.
DeLillo:person-artist/author
ended:O
the:O
decade:O
by:O
making:O
an:O
unexpected:O
appearance:O
at:O
a:O
PEN:art-other
event:art-other
on:O
the:O
steps:O
of:O
the:O
New:building-library
York:building-library
City:building-library
Public:building-library
Library:building-library
in:O
support:O
of:O
Chinese:O
dissident:O
writer:O
Liu:person-artist/author
Xiaobo:person-artist/author
,:O
who:O
was:O
sentenced:O
to:O
11:O
years:O
in:O
prison:O
for:O
``:O
inciting:O
subversion:O
of:O
state:O
power:O
'':O
on:O
December:O
31:O
,:O
2009:O
.:O