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': "'Sin of Gomorrah' is best known as: \nSelect and explain. \nA. Anal coitus, B. Oral coitus, C. Lesbianism, D. Bestiality", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Buccal coitus also known as coitus per os or sin of Gomorrah. Buccal coitus is another offence analogous to sodomy. According to the Bible this was prevalent in the town of Gomorrah and hence the name. The victim may be a young child. In this punishable offence, the penis is introduced into the mouth. Faint teeth marks and abrasions may be seen on the penis.', 'role': 'assistant'}]