This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General surgery, Subject name: Surgery
[{'content': 'Cock&;s peculiar tumor is \nSelect and explain. \nA. Basal cell CA, B. Squamous cell CA, C. Ulcerated sebaceous cyst, D. Cylindroma', 'role': 'user'}, {'content': 'Answer: C \nExplanation: .cocks peculiar tumour is actually a complication of sebaceous cyst when sebaceous cyst ulcerates excessive granulation tissue forms resembling fungating epithelioma and this iscalled cock&;s peculiar tumour', 'role': 'assistant'}]