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': 'Formication and delusion of persecution occurs together in: \nSelect and explain. \nA. LSD, B. Amphetamine, C. Canabis, D. Cocaine', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Cocaine Formication is a form of tactile hallucination in which the patient feels that of insects are crawling on (or under) the skin. Delusion of persecution is false belief of being harassed or persecuted.', 'role': 'assistant'}]