Hi, i have problem with form responses, so i have created form from multiple table but there's no option to get from responses, is there something missing or i need to do something for someone who fill the form can get the form responses?

I have column A with the breakdown option and have columns B and C, what is the formula if someone chooses A1,A2 it will link to column B and if choose A3,A4 it will link with column C?