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: Forensic Medicine
[{'content': 'All are tests for sperm except - \nSelect and explain. \nA. Florence test, B. Luminol test, C. Barberio test, D. Acid phosphatase', 'role': 'user'}, {'content': "Answer: B \nExplanation: Luminol test is used for blood stain (luminol spray). \n\xa0Florence test, barberio's test and acid phosphatase test are used for semen.", 'role': 'assistant'}]