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: Unknown
[{'content': 'A young person is having comedones and papulo-pustular acne over face and trunk and back. How will you manage the patient? \nSelect and explain. \nA. Topical retinoic acid, B. Oral doxycycline + topical retinoic acid, C. Topical clindamycin, D. Oral retinoic acid', 'role': 'user'}, {'content': "Answer: B \nExplanation: (Refer: Fitzpatrick's Dermatology in General Medicine, 8th edition)\nAlgorithm of treating Acne", 'role': 'assistant'}]