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': 'Priapism occurs in: AIIMS 06; 13 \nSelect and explain. \nA. Snake bite, B. Rati poisoning, C. Cantharide poisoning, D. Arsenic poisoning', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. Cantharide poisoning', 'role': 'assistant'}]