How many different methods can Medicine object item$2$ call?

class Product:

def $\_\_$init$\_\_($self$)$:

self.name $=$ 'None'

self.quantity $=0$

def set$\_$item$($self$,$ nm$,$ qty$)$:

self.name $=$ nm

self.quantity $=$ qty

def get$\_$item$($self$)$:

return self.name, self.quantity

def get$\_$name$($self$)$:

return self.name

def get$\_$quantity$($self$)$:

return self.quantity

class Medicine$($Product$)$:

def $\_\_$init$\_\_($self$)$:

Product.$\_\_$init$\_\_($self$)$

self.expiration $=2000$

def set$\_$expiration$($self$,$ exp$)$:

self.expiration $=$ exp

def get$\_$medicine$($self$)$:

return self.name, self.quantity, self.expiration

item$1=$ Product$()$

item$2=$ Medicine$()$

Question $10$ options:

$2$

$6$

$4$

$8$