to give options to products

[ballto]

Hello

 

I need to give options to some products but these options depend on other options.

For example :

if at the option A you take the choice 1, at the option B you will have the choices 2 and 3.

On the contrary, If you choose 2 at the option A, you will have the choices within 1 and 4 at option B.

 

Is there a contributions that allow that?

 

Or I can do a form to do that but I don't know how to put the price and the options into the shopping cart

 

Pleaze help me :)