With no explanation, label each line with "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
apologist
thesis
,
which
argues
that
Hirohito
had
been
a
``
powerless
figurehead
''
without
any
implication
in
wartime
policies
,
was
the
dominant
postwar
narrative
until
1989
.
The:O
apologist:O
thesis:O
,:O
which:O
argues:O
that:O
Hirohito:person-politician
had:O
been:O
a:O
``:O
powerless:O
figurehead:O
'':O
without:O
any:O
implication:O
in:O
wartime:O
policies:O
,:O
was:O
the:O
dominant:O
postwar:O
narrative:O
until:O
1989:O
.:O