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': 'Gonococci has affinity for : \nSelect and explain. \nA. Columnar epithelium, B. Glandular epithelium, C. Stratified sqamous epithelium, D. Squamous epithelium', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Columnar epithelium', 'role': 'assistant'}]