How to select the column of stuff from a table based on selection?

I’ve created an ‘own’ table in the app. In the first column are categories. For example:

Column 1:
Cars
Motorbikes
Buses

User will pick one from the list. If ‘Cars’ is picked, then another option pops up, which is:

Column 2 - which is name ‘Cars’:
Honda
Ford
Tata

If user picked 'Motorbikes instead, then Column 3 pops up.

How do i make the pop-up choice appear based on previous choice - all found in the same list? I suspect this kinda stuff already has answers, could someone please point me there?

Thanks a bunch.

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Check this
https://x.thunkable.com/projectPage/5fb9fb1dbfeb240011084d78