In theory, this should work. In practice, it doesn’t. 
Okay, Thunkable didn’t like my embedded “test” condition blocks. This is getting closer:
https://x.thunkable.com/copy/6c4b98db7384287c42735fd51cea17c9
Actually, I think this will work as a checklist. But my live previews aren’t updating so it looks like the data isn’t changing for me.