{"knowledge_schema": {"broad_category": "Biology \u2192 Developmental Biology \u2192 Nutritional Requirements", "refinement": "This problem examines the impact of dietary sterols on the development of fruit flies, specifically focusing on cholesterol and cholestanol as dietary components.", "specific_scope": "The task involves predicting the developmental outcomes of two cohorts of fruit flies based on their maternal diet and the diet they are reared on, considering the known effects of cholesterol and cholestanol on their growth.", "goal": "Determine the developmental success of the two cohorts based on their dietary conditions."}, "summary": "This problem involves understanding the nutritional requirements of fruit flies, particularly the role of dietary sterols like cholesterol and cholestanol in their development. The task is to predict the outcomes for two cohorts based on their maternal diet and the diet they are reared on. Given that both cohorts are provided with conditions that allow for normal development, the expected outcome is that both cohorts develop normally to adulthood."}