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: Unknown
[{'content': 'Alendronate acts by \nSelect and explain. \nA. Inhibit osteoclast, B. Inhibit osteoblast, C. Inhibit both, D. None of these', 'role': 'user'}, {'content': "Answer: A \nExplanation: (Refer: K. D. Tripathi's Essentials of Medical Pharmacology, 6th edition, pg no:334)\nInhibit osteoclast", 'role': 'assistant'}]