This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autacoids, Subject name: Pharmacology
[{'content': 'LHRH analogue used in breast cancer is \nSelect and explain. \nA. Cetrorelix, B. Anastrozole, C. Leuprolide, D. Tamoxifen', 'role': 'user'}, {'content': 'Answer: C \nExplanation: GnRH agonists: Goserelin, buserelin, nafarelin, triptorelin, leuprolide GnRH antagonists: cetrorelix, abarelix, degarelix ref KD Tripathi 8th ed', 'role': 'assistant'}]