Hello, I have searched for the correct answer to this question, which others have had, but the existing community replies and links do not fix the issue. 

How can we use a “Star Slider” with a DK (don’t know) or NA (not applicable) answer option, too.  The existing links and answers do not answer this, unfortunately.  The other slider question styles have a DK option.  Why not the star slider?

Can anyone help?  I do not want stars next to a DK option.

Example of what I don’t want: