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': 'Ovarian hyper thecosis is characterized by \nSelect and explain. \nA. Enlarged ovaries., B. Nests of lutenized theca cells in ovarian stroma., C. Less severe variant of PCOS., D. Less severe hyperandrogenism.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ovarian Hyperthecosis is severe variant of PCOD which\xa0exhibit severe hyperandrogenism.', 'role': 'assistant'}]