Conditional text based on form value?

I have a form and I want to have a string which depends on the current state of the form:

Here’s a property of conditional text:

And here’s a property of the form:

I want the text which would be dependant on the form state (one, two or three).

I also attach sample odt file.

Hi, I have never used conditonal text, but a while ago I stumbled over this article:

Maybe this helps.

Thanks. I’ll try to work through it.