{"knowledge_schema": {"broad_category": "Chemistry \u2192 Organic Chemistry \u2192 Rearrangement Reactions", "refinement": "This problem specifically deals with the Cope rearrangement, which involves the rearrangement of diene structures under thermal or photochemical conditions.", "specific_scope": "The task is to identify the major products of two specific reactions involving a substituted benzene and a complex polycyclic compound undergoing rearrangement.", "goal": "Select the correct major products from the given candidates based on the described reactions."}, "summary": "This problem involves understanding the Cope rearrangement, a type of organic reaction where diene structures rearrange to form new products. The task is to determine the major products of two reactions: one involving a substituted benzene and another involving a complex polycyclic compound. By analyzing the candidates provided, students must select the correct structures that correspond to the expected outcomes of these rearrangements."}