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': 'Jeep disease is also known as: March 2008 \nSelect and explain. \nA. Anal incontinence, B. Hemorrhoids, C. Pilonidal sinus, D. Anal fissure', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C: Pilonidal sinus', 'role': 'assistant'}]