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': 'Choline in seminal fluid is detected by ? \nSelect and explain. \nA. Barberio test, B. Florence test, C. ELISA, D. Agglutination inhibition', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Florence test Microchemical tests for semen analysisFlorence test - Brown crystals of choline periodideBarberio's test - Yellow coloured crystals of spermin picrate.", 'role': 'assistant'}]