This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition and health, Subject name: Social & Preventive Medicine
[{'content': 'Jaggery contains good amount of - \nSelect and explain. \nA. Vitamin C, B. Calcium, C. Iron, D. Vitamin D', 'role': 'user'}, {'content': "Answer: C \nExplanation: Food containing non heam iron are those of green leafy vegetables, legumes, nuts, jaggery. REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 575", 'role': 'assistant'}]