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': 'Blue white color in UV rays is seen in: AIIMS 12 \nSelect and explain. \nA. Semen, B. Blood, C. Pus, D. Leukorrhoea', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. Semen', 'role': 'assistant'}]