This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2017, Subject name: Pharmacology
[{'content': 'Zileuton is:- \nSelect and explain. \nA. 5- Lipoxygenase inhibitor, B. Cyclooxygenase, C. Phospholipase inhibitor, D. Leukotriene receptor antagonist', 'role': 'user'}, {'content': 'Answer: A \nExplanation: ZILEUTON inhibits LOX B: Cyclo oxygenase inhibitor: NSAID STEROIDS inhibit phospholipase D: Leukotriene Inhibitors MONTELEUKAST ZAFIRLEUKAST', 'role': 'assistant'}]