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: Psychiatry
[{'content': 'An IQ between 50 & 70 would be classified as what kind mental retardation - \nSelect and explain. \nA. Mild, B. Moderate, C. Severe, D. Borderline', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Mild", 'role': 'assistant'}]