This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Dermatitis Erythema, Subject name: Skin
[{'content': 'Acanthosis nigricans is seen in: \nSelect and explain. \nA. GIT cancer, B. Hypothyroidism, C. Diabetes, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. d. All of the aboveMost common association of acanthosis nigricans is obesity', 'role': 'assistant'}]