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': 'Excessive buying is termed as: DNB 08 \nSelect and explain. \nA. Kleptomania, B. Oniomania, C. Trichotillomania, D. Pyromania', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Oniomania', 'role': 'assistant'}]