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: Florence test - Detection of choline.\nBarberio's test - Detection of spermine.", 'role': 'assistant'}]