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: Gynaecology & Obstetrics
[{'content': 'Which is true for benign ovarian tumour: March 2004 \nSelect and explain. \nA. Torsion is uncommon, B. Capsule is intact, C. Ascites can occur, D. Size less than 10 cm', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B i.e. Capsule is intact', 'role': 'assistant'}]