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': 'Method of identification using lips: \nSelect and explain. \nA. Dactylography, B. Poroscopy, C. Cheiloscopy, D. Tricology', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. Cheiloscopy', 'role': 'assistant'}]