[Answered ]-One out of four radio buttons hidden

This was pretty interesting 🙂

I was able to reproduce this. The problem is that the second choiceSet has radio buttons with id "advertis*m*nt*", which triggers the AdBlockPlus Plugin in chrome and automatically hides that div, acting as a false positive!

Here is a small proof:

The solution is just to change the value of id to something like "adv-mnt1"