Schank's scripts[Schank, R. C. and Abelson, R. P., Scripts, Plans, Goals, and Understanding, Hillsdale, NJ: Lawrence Erlbaum, 1977.] can be seen as memory triggers that bring into focus the objects that may be referenced in later sentences:
John went to a restaurant. The waiter ...In order to understand the definite reference the waiter, the reader must be prepared to see such a reference. Conceptually, a script implements something like:
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