This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Medical Jurisprudence, Subject name: Forensic Medicine
[{'content': 'Once a case is completed between two paies, it cannot be tried again under the defence, \nSelect and explain. \nA. Res indicata, B. Res judicata, C. Composite negligence, D. Corporate negligence', 'role': 'user'}, {'content': "Answer: B \nExplanation: Res judicata means 'the things have been decided': according to this rule, once a case is completed between two paies, it cannot be tried again. For example, a patient sues a doctor in a negligence case and things are decided; he cannot sue the doctor again in the same case. Ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE 383", 'role': 'assistant'}]