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': 'All are true about gunshot entry wound except - \nSelect and explain. \nA. Entry wound is smaller than exit wound, B. Entry wound is surrounded with collar, C. Entry wound is everted, D. Entry wound is inverted', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Entry wound in inverted (except in contact shot where it is everted)\nEntry wound is smaller than exit wound (except in contact shot where it is larger).\nEntry wound is surrounded by 3 collars : Abrasion/contusion collar, Dirt/grease collar and lead collar.', 'role': 'assistant'}]