With no explanation, label each line with "art-film", "O", "art-broadcastprogram", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
They
wanted
a
ferocious
morale
booster
based
on
the
familiar
``
rekishi
geki
''
(
``
historical
drama
''
)
of
``
The
Loyal
47
Ronin
``
.
They:O
wanted:O
a:O
ferocious:O
morale:O
booster:O
based:O
on:O
the:O
familiar:O
``:O
rekishi:O
geki:O
'':O
(:O
``:O
historical:O
drama:O
'':O
):O
of:O
``:O
The:art-film
Loyal:art-film
47:art-film
Ronin:art-film
``:O
.:O