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': 'Peripheral arterial occlusion (Sudden onset) is characterized by all except - \nSelect and explain. \nA. Paresthesia, B. Rubor, C. Pallor, D. Pain', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]