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': 'The highest percentage of essential fatty acid is found in – \nSelect and explain. \nA. Butter fat (ghee), B. Sunflower seed oil, C. Corn oil, D. Ground nut oil', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]