This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Surgery
[{'content': 'Squamous cell carcinoma of the lip is least likely to develop in which of the following? \nSelect and explain. \nA. Scandinavian fisherman, B. Redheaded pornographic actress with a gorgeous year-round tan, C. Man from Lohatchie, AL, who smokes a clay pipe, D. Brunette secretary who constantly drinks tea', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Squamous carcinoma of the lip comprises 15-20% of all malignant tumors of the oral cavity. In approximately 30%, there is a clear association with heavy exposure to the sun. The incidence increases in those areas where there is more southerly latitude, the air is dry, and the altitude is higher.', 'role': 'assistant'}]