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
The main feature of gonorrhoea is- 
Select and explain. 
A. Purulent discharge per urethra, B. Inguinal adenitis, C. Ulcer over glans penis, D. Rashes
A: Purulent discharge per urethra
Answer: A: Purulent discharge per urethra 
Explanation: A i.e. Purulent discharge per urethra