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: Medicine
[{'content': 'Maralgia paresthetica is not caused by- \nSelect and explain. \nA. Ascites, B. Alcohol consumption, C. Obesity, D. Pelvic surgery', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]