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
One of the following is a congenital cyst : 
Select and explain. 
A. Inclusion cys, B. Ovarian cyst, C. Ganer's cyst, D. None
C: Ganer's cyst
Answer: C: Ganer's cyst 
Explanation: Ganer's cyst