In the context of the 'Gestalt Theory of Learning', under this theory propounded by German psychologists Max Wertheimer, Wolfgang Köhler, and Kurt Koffka, which of the following psychological facts is most strongly verified by Köhler's experiments on the chimpanzee 'Sultan' in the 'Insight Theory of Learning'?

According to Gestaltists (especially Köhler), learning by 'Insight' occurs when an organism views the entire situation of a problem holistically rather than seeing it in partial pieces. The incident of Sultan (chimpanzee) joining sticks to get a banana shows that learning is not the result of mechanical trials (Trial and Error), but is based on cognitive reorganization happening suddenly in the brain and the sudden clarification of the problem (Aha! Experience). Therefore, option b provides the most accurate and scientific explanation of this theory.