<https://forums.slipstick.com/threads/90886-help-please-boolean-can-i-use-and-not-etc-in-a-rule/>
<http://schema.org/headline>
"help please -Boolean - can I use .AND  NOT etc in a rule"
<https://forums.slipstick.com/threads/90886-help-please-boolean-can-i-use-and-not-etc-in-a-rule/>