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': 'Mucin producing glands are seen in NE : \nSelect and explain. \nA. Vagina, B. Oesophagus, C. Cervix, D. Duodenum', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Vagina', 'role': 'assistant'}]