ITShop - Dynamic filtering\Condition displayRequest propertis

I defined CustomProperty01 (in ShoppingCartItem and PersonWantsOrg) as a "Defined list of values" (Value - Display):

1 - Option 1

2 - Option 2

3 - Option 3

Then I defined CustomProperty02 (in ShoppingCartItem and PersonWantsOrg) as a "Defined list of values" (Value - Display):

A - Cat. A

B - Cat. B

C - Cat. C

Then I've defined Request Properties based on CP01 and CP02. Now I want to do something like this:

If CP01 = 1 Then show A and B in CP02

If CP01 = 2 Then show B and C in CP02

If CP01 = 3 Then show only C

Is it possible to populate Dictionary in CustomPropertyXX field?