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': 'One of the following is a sure sign of rape - \nSelect and explain. \nA. Ruptured hymen in a girl aged 20 years, B. Presence of semen in the posterior fornix in a girl age 20 years, C. Presence of semen in the posterior fornix in a girl age 14 years, D. Presence of semen in the posterior fornix in a married girl age 16 years', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Presence of semen in the vagina (posterior fornix) is indicative of recent intercourse. It would be defined as rape if :-\n\n\nEven with the consent of girl is below 16 years (if not a wife) or below 15 years (if wife).\n\n\xa0 \xa0 \xa0 \xa0 ii. Any age without consent.\n\n\u200b\u200b\u200b\u200b\u200b\u200bOption b : Semen may be present in the vagina of a 20 years old women ever without rape, i.e. intercourse with her consent.\nOption c : Semen cannot be present due to intercourse in the vagina of a 14 years girl without rape → because any intercourse, with or without consent, is rape in a girl below 15 years age.\nOption d : the presence of semen in the vagina of 16 years old female may occur without rape, during intercourse with her husband (even without her consent).\nOption a : Hymen may be ruptured without intercourse.', 'role': 'assistant'}]