2.1.4.3.2 Rule
Processing a Rule MUST perform the necessary operations using the InternalEvaluationContext variable.
Create as many InternalMatchingClaimsList variables as there are Sel-conditions in this Rule, and initialize them by clearing them.
Process the Conditions tag in this Rule.
If the Conditions evaluates to TRUE, the Rule-action in this Rule MUST be processed using all the n-tuples of claims generated by the Conditions.