With no explanation, label each line with "O", "person-politician", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Cao
Wushang
(
曹無傷
)
,
a
defector
from
Liu
Bang
's
side
,
secretly
sent
a
messenger
to
Xiang
Yu
's
camp
,
telling
Xiang
that
Liu
Bang
was
planning
to
declare
himself
``
King
of
Guanzhong
''
in
accordance
with
King
Huai
II
's
earlier
promise
,
while
Ziying
would
be
Liu
's
chancellor
.
Cao:person-other
Wushang:person-other
(:O
曹無傷:person-other
):O
,:O
a:O
defector:O
from:O
Liu:person-politician
Bang:person-politician
's:O
side:O
,:O
secretly:O
sent:O
a:O
messenger:O
to:O
Xiang:person-politician
Yu:person-politician
's:O
camp:O
,:O
telling:O
Xiang:person-politician
that:O
Liu:person-politician
Bang:person-politician
was:O
planning:O
to:O
declare:O
himself:O
``:O
King:O
of:O
Guanzhong:O
'':O
in:O
accordance:O
with:O
King:O
Huai:person-politician
II:person-politician
's:O
earlier:O
promise:O
,:O
while:O
Ziying:person-politician
would:O
be:O
Liu:person-politician
's:O
chancellor:O
.:O