This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infection, Subject name: Medicine
[{'content': 'aids asso malignancy/neoplasms- \nSelect and explain. \nA. NHL, B. Kaposis sarcoma, C. Primary CNS lymphoma, D. Ca cervix', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Kaposi sarcoma incidence is more than dat of NHL and other cancers Ref Harrison 20th edition pg 878', 'role': 'assistant'}]