Narrative theory proposes that stories, whether fictional or non-fictional, follow common structural patterns. Claude Lévi-Strauss suggested that media texts use binary oppositions like light/dark or hero/villain. Tzvetan Todorov identified a 5-stage structure to narratives: equilibrium, disruption, realization, attempt to repair, new equilibrium. This 5-stage model can be applied broadly and is useful for identifying the underlying structure of texts. Advertisements often follow this narrative structure by presenting a problem and then positioning the product as the solution that restores equilibrium.