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: Surgery
[{'content': 'In case of brain injury, laceration occurs, which is most severe on the side opposite to that of the injury, this type of injury is known as: \nSelect and explain. \nA. Laceration., B. Contrecoup injury., C. Contusion., D. Concussion.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]