With no explanation, label each line with "O", "other-language", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
They
record
Eastern
Old
Japanese
dialects
,
with
several
differences
from
central
Old
Japanese
(
also
known
as
Western
Old
Japanese
)
:
They:O
record:O
Eastern:other-language
Old:other-language
Japanese:other-language
dialects:O
,:O
with:O
several:O
differences:O
from:O
central:O
Old:other-language
Japanese:other-language
(:O
also:O
known:O
as:O
Western:other-language
Old:other-language
Japanese:other-language
):O
::O