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: Surgery
[{'content': "Kaposi's Sarcoma - \nSelect and explain. \nA. Does not occur in non HIV positive persons, B. Has increasing incidence among AIDS patients, C. No GI bleeding, D. Uncommon among homosexual HIV Positive", 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e. Has increasing incidence among AIDS patients", 'role': 'assistant'}]