With no explanation, label each line with "O", "organization-government/governmentagency", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
In
2010
the
U.S.
Joint
Commission
on
Accreditation
of
Healthcare
Organizations
described
maternal
mortality
as
a
``
sentinel
event
''
,
and
uses
it
to
assess
the
quality
of
a
health
care
system
.
In:O
2010:O
the:O
U.S.:organization-government/governmentagency
Joint:organization-government/governmentagency
Commission:organization-government/governmentagency
on:organization-government/governmentagency
Accreditation:organization-government/governmentagency
of:organization-government/governmentagency
Healthcare:organization-government/governmentagency
Organizations:organization-government/governmentagency
described:O
maternal:O
mortality:O
as:O
a:O
``:O
sentinel:O
event:O
'':O
,:O
and:O
uses:O
it:O
to:O
assess:O
the:O
quality:O
of:O
a:O
health:O
care:O
system:O
.:O