The first action allows to drag and drop elements. So, let's drag and drop a Part, a second part,
and a third one. Drag and Drop 5 Questions in each part,
the first one, second one, and the third one.
Let's add the other questions types in the first part.
Drag and drop a Subquestion,
and the Blank one.
Click on the preview to see changes, and this is the list of all the made questions.
