This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mechanical injuries, Subject name: Forensic Medicine
[{'content': "A person breaks someone's mandible in alleged fight. Police can - \nSelect and explain. \nA. Arrest with warrant, B. Arrest without warrant, C. Declares him hostile and out him in jail, D. Put him in mental asylum", 'role': 'user'}, {'content': 'Answer: B \nExplanation: The synopsis of forensic medicine & toxicology;Dr k.s narayan reddy; 28th edition; pg.no. 155; Breaking of mandible comes under grievous hu,so the police can arrest the the person who caused the hu without a warrant.', 'role': 'assistant'}]