Tony, you are a genius! I hope this was not too much trouble
. Everything is working perfectly, I couldn't ask for more.
I hope this helps others, too. Selecting random responses from a list of "known" items is very common in e.g. brand studies - so it is a frequently used feature in a lot of surveys.

I hope this helps others, too. Selecting random responses from a list of "known" items is very common in e.g. brand studies - so it is a frequently used feature in a lot of surveys.