1. A method comprising: using one or more processors of a computing system to execute computer-executable instructions that cause the computing system to: create an operation for a rule to authorize a provision of information; establish a current container; process a propositional expression in the rule describing the provision of the information, which includes: if the propositional expression includes a pronominal reference having a referent term that is a subject of an interrogative operator, executing a first processing block: and if a propositional demonstrative or propositional interrogative is applied to the propositional expression, executing one or more processing blocks other than the first processing block; and if the current container is null record that a context for the propositional expression is null, else record that object type in the current container is a resulting context from the propositional expression.