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: Pharmacology
[{'content': 'Which of the following drug is contraindicated in osteosarcoma? \nSelect and explain. \nA. Denosumab, B. Bisphophonates, C. Teriparatide, D. Salcatonin', 'role': 'user'}, {'content': "Answer: C \nExplanation: Teriparatide stimulates osteobalsts and hence contraindicated in Osteosarcoma and Paget's disease.", 'role': 'assistant'}]