This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Forensic Toxicology - Concepts, Statutes, Evidence, and Techniques, Subject name: Forensic Medicine
[{'content': 'The following are true regarding poison except: \nSelect and explain. \nA. Used for producing pseudobruise, B. No specific antidote available, C. Active principle is Aconitine, D. Produces intense gastroenteritis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (C). Active principle is aconitinePic show semicarpus anacardium (marking nut)Active principles are semicarpol, bhilawanolMarking nut juice is used for artificial bruise.', 'role': 'assistant'}]