This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
[{'content': 'Which cooking oil hast most PUFA – \nSelect and explain. \nA. Safflower oil, B. Coconut oil, C. Butter, D. Vanaspati', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Richest source of polyunsaturated fatty acid → Safflower oil.\nRichest source of monounsaturated fatty acid → Palmolein oil\nRichest source of saturated fatty acid → Coconut oil', 'role': 'assistant'}]