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': 'Port wine color urine is usually seen in: \nSelect and explain. \nA. Chemical burns., B. Electric burns, C. Both., D. None.', 'role': 'user'}, {'content': "Answer: B \nExplanation: 'Port wine' coloured urine is not unusual following major electrical burns due to release of haemochromogens in to the blood stream from injured musculature.", 'role': 'assistant'}]