{"knowledge_schema": {"broad_category": "Physics \u2192 Theoretical Physics \u2192 Quantum Field Theories", "refinement": "This problem pertains to the study of theories in physics that address fundamental interactions and their mathematical formulations.", "specific_scope": "The focus is on identifying a theory that is free from ultraviolet divergences, which are problematic infinities that arise in quantum field theories.", "goal": "Determine which theory among the given options is structured to avoid ultraviolet divergences."}, "summary": "This question relates to theoretical physics, specifically the study of quantum field theories and their properties. It asks which theory is designed to be free from ultraviolet divergences, a common issue in many quantum theories. The correct answer is Superstring Theory, which is known for its fundamental structure that inherently avoids these divergences, unlike the other listed theories."}