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': 'Fracture of teeth and some bruises around mouth is: AIIMS 12 \nSelect and explain. \nA. Simple injury, B. Grievous injury, C. Dangerous injury, D. Assault', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Grievous injury', 'role': 'assistant'}]