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: Anatomy
[{'content': 'Foramen of Winslow is? \nSelect and explain. \nA. Between greater and lesser sac, B. At hilum of liver, C. Transverse cervical ligament of uterus, D. Pouch of Douglas', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Between greater and lesser sac', 'role': 'assistant'}]