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: Ophthalmology
[{'content': 'A recurrent chalazion should be subjected to histopathologic evalution to exclude the possibility of: \nSelect and explain. \nA. Squamous cell carcinoma, B. Sebaceous cell carcinoma, C. Malignant melanoma, D. Basal cell carcinoma', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Sebaceous cell carcinoma', 'role': 'assistant'}]