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': 'True about therapy of obesity is: \nSelect and explain. \nA. Bariatric surgery is indicated for BMI > 30 kg/m2, B. Adjuvant pharmacotherapy for BMI > 30 kg/m2, C. Lifestyle modification not required, D. Reducing appetite by centrally active drugs is not an option', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]