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 of these do not produce progesterone \nSelect and explain. \nA. Placenta, B. Follicle, C. Endometrium, D. Adrenal cortex', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Endometrium does not produce progesterone.', 'role': 'assistant'}]