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': 'Pawaer burr, appearance on laparoscopy is characteristic of : \nSelect and explain. \nA. Endometriosis, B. Endometroid tumour, C. Epithelial ovarian tumour, D. Endometrial cancer', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Endometriosis', 'role': 'assistant'}]