Assertion: deceased's cause | /r/HasProperty | unclear
Facets:
Source sentences:
text: If you're told an acquaintance has died in his or her sleep, it might mean the cause of death is unclear – or the family just wants to maintain privacy.
text: The exams must show complete and irreversible absence of brain function (brain stem function in UK), and may include two isoelectric (flat-line) EEGs 24 hours apart (less in other countries where it is accepted that if the cause of the dysfunction is a clear physical trauma there is no need to wait that long to establish irreversibility).