This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Law & Medicine, Identification, Autopsy & Burn, Subject name: Forensic Medicine
[{'content': 'The most common type of fingerprint is \nSelect and explain. \nA. Loop, B. Arch, C. Composite, D. Whorl', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (Loop) (2.15-P)* According to Quetlets Rules* Commonest is loop (67%) and least is composite (1-2%)* Order - Loop >Whorl (25%) >Arches (6-7%) > Composite* For the purpose of primary classification of criminal work. Arches are included under loops and composites under whorls.', 'role': 'assistant'}]