This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Trace evidences, Subject name: Forensic Medicine
[{'content': 'The different semen in case of gang rape is identified by:- \nSelect and explain. \nA. Acid phosphatase test, B. Christmas tree stain, C. PSA, D. Single photon flourimetry', 'role': 'user'}, {'content': "Answer: D \nExplanation: Single photon fluorimetry has been used to differentiate between different semen in a gang rape case TESTS FOR SEMINAL STAINS Creatine phosphokinase test Acid phosphatase testQ Florence testQ (Choline iodide crystals) Barberio's test (crystals of spermin picrate)", 'role': 'assistant'}]