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': 'Privation of any member of joint is a ... hurt - \nSelect and explain. \nA. Simple, B. Grievous, C. Serious, D. Dangerous', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]