This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Acne, Subject name: Skin
[{'content': 'Acne Vulgaris is due to involvement of : \nSelect and explain. \nA. Sebaceous Gland, B. Pilosebaeous Gland, C. Eccrine Gland, D. Apocrine Gland', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' Pilosebaceous Gland Acne vulgaris is due to obstruction of Pilosebaceous Duct Lesions consists of - Comedone*PapulesPustulesCystsAlso knowAcne has equal sex incidence *Most common site - Face*", 'role': 'assistant'}]