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: Skin
[{'content': 'A 30 year old female presents to the dermatology OPD with complaints of asymptomatic yellowish papules around the vermilion border of upper lip. What is the cause of the above condition? \nSelect and explain. \nA. Ectopic apocrine glands, B. Ectopic sebaceous glands, C. Apocrine gland hyperplasia, D. Sebaceous gland hyperplasia', 'role': 'user'}, {'content': "Answer: B \nExplanation: The condition is Fordyce's spots due to ectopic sebaceous glands found in about 25% of population above 35 years. Ref: Rook Textbook of Dermatology, 8th Edition, Page 42.86.", 'role': 'assistant'}]