...
This class implements the Sample dlm.xml file EvaluatorFactory interface. This factory can produce evaluators that can select a layout based on answer true or false to a user meeting any logical combination of attribute values in the passed in IPerson object. It does so be defining one test element, <attribute>, a logical grouping element, <paren>, and an inverting or negating element, <NOT>. The <dlm:audience> element using this factory must contain at least one and may contain many of these elements in any combination.
...