Task: Question Answering
Input (English): Question: Which of the following data does NOT correspond to a fungal vulvovaginitis ?: 
 Options:  <1> Pregnancy increases the risk of this infection. <2> It can occur in women who never had sex. <3> Vaginal discharge with white patches or lumps adhered to the walls of the vagina is typical. <4> It can be diagnosed in a fresh smear of vaginal discharge without the need for staining. <5> Adding a drop of potash to the vaginal discharge gives off a strong fishy odor.
Output (English): 5