With no explanation, label each line with "O", "person-scholar", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Krauss
documented
continued
decline
and
downgraded
the
status
to
``
Very
few
or
none
of
the
children
speak
the
language
''
in
1982
.
Krauss:person-scholar
documented:O
continued:O
decline:O
and:O
downgraded:O
the:O
status:O
to:O
``:O
Very:O
few:O
or:O
none:O
of:O
the:O
children:O
speak:O
the:O
language:O
'':O
in:O
1982:O
.:O