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: Skin
[{'content': 'The main feature of gonorrhoea is- \nSelect and explain. \nA. Purulent discharge per urethra, B. Inguinal adenitis, C. Ulcer over glans penis, D. Rashes', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Purulent discharge per urethra', 'role': 'assistant'}]