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': 'Least glucocoicoid action is seen with ? \nSelect and explain. \nA. Fludrocoisone, B. Coisone, C. Dexamethasone, D. Betamethasone', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Coisone Least potent glucocoicoid --> Coisone", 'role': 'assistant'}]