This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epidemiology, Subject name: Social & Preventive Medicine
[{'content': 'A woman is exposed to multiple sex paners has 5 times increased risk for carcinoma cervix. The attributable risk is - \nSelect and explain. \nA. 20%, B. 50%, C. 80%, D. 100%', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Attributable risk=100 (refer pgno 78 park 23rd edition)', 'role': 'assistant'}]