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': 'Bright red hypostasis is seen in -a) Dhatura poisoningb) Cyanide poisoningc) Carbon monoxide poisoningd) Aniline poisoninge) Barbiturate \nSelect and explain. \nA. a, B. c, C. bc, D. ad', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]