This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Trauma, Subject name: Surgery
[{'content': 'Glasgow coma scale motor score 4 is \nSelect and explain. \nA. Decotricate position, B. Withdrawl from pain, C. Decerebrate position, D. Localize pain', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Glasgow coma scale Motor response score: 6= obeys command 5= localised to pain 4= Withdraws from pain 3= Flexion in response to pain 2= Extension to pain 1= No motor response Reference : Bailey & Love, 27th Edition, page no = 325.', 'role': 'assistant'}]