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': 'The mucosal lining of the vagina is composed ol cell : \nSelect and explain. \nA. Ciliated columnar, B. Pseudostratified columnar, C. Stratified squamous non keratinised, D. Transitional', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Stratified squamous non keratinised', 'role': 'assistant'}]