With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
The
Yaeyama
and
Yonaguni
languages
are
classified
as
``
severely
endangered
''
,
whereas
the
other
4
Ryukyuan
varieties
are
``
definitely
endangered
''
.
The:O
Yaeyama:O
and:O
Yonaguni:O
languages:O
are:O
classified:O
as:O
``:O
severely:O
endangered:O
'':O
,:O
whereas:O
the:O
other:O
4:O
Ryukyuan:O
varieties:O
are:O
``:O
definitely:O
endangered:O
'':O
.:O