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: Medicine
[{'content': 'Secondary Hyperparathyroidism is seen in all of the following, Except \nSelect and explain. \nA. Rickets, B. Osteomalacia, C. Osteoporosis, D. Renal failure', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Answer is C (Osteoporosis): Osteoporosis is neither associated with hypocalcaemia nor with secondary Hyperparathyroidism', 'role': 'assistant'}]