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 ":".
Historically
,
Kanto
dialects
lacked
``
keigo
''
(
honorific
speech
)
.
Historically:O
,:O
Kanto:other-language
dialects:other-language
lacked:O
``:O
keigo:O
'':O
(:O
honorific:O
speech:O
):O
.:O