This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Forensic Medicine
[{'content': 'Cheiloscopy is the study of \nSelect and explain. \nA. Lip prints, B. Foot prints, C. Bite marks, D. Finger prints', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Cheiloscopy is a forensic investigation technique that deals with identification of humans based on lips traces. The aim of this study is to establish the uniqueness of lip prints which aids in personal identification Ref - pubmed.com / <a href="', 'role': 'assistant'}]