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: Biochemistry
[{'content': 'Antioxidant propey is seen in ? \nSelect and explain. \nA. Chromium, B. Selenium, C. Magnesium, D. Iron', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is `b' i.e., Selenium", 'role': 'assistant'}]