You have two main methods to develop your questionnaire:
1) Use a developed scale from previous researchers. In this case, you can both adapt or adopt the items of the questionnaire.
2) Develop a new scale for the items of the questionnaire. Notice that developing a new scale is a qualitative study and should be done by qualitative methods such as interview.
Conclusion: Nobody can suggest question for your study other than either a developed scale by previous researchers or developing a new scale by yourself.
Lots and lots of reviewing helps you to reach the idea of making the questionnaire and pattern of handling storytelling session. Focus and idea about for which business is primary to start your work . Scope , processing, features, output ....
This link is great repository - https://www.thecasecentre.org