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': 'LHRH analogue used in breast cancer - \nSelect and explain. \nA. Cetrorelix, B. Anastrazole, C. Leuprolide, D. Tamoxifen', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Leuprolide o Among the given options only leuprolide is GnRH (LHRH/FSHRH) analogue. o Cetrorelix is GnRH antagonist, tamoxifen is SERM and anastrozole is aromatase inhibitor.", 'role': 'assistant'}]