Single choice element (has multiple options, however, you can select only one; if you try to select another, the first one will deselect)
Type option 1
Type option 2
Type option 3
Type option 4
Multiple choice element (has multiple options and you can select and deselect as many as there are)
Type option 1
Type option 2
Type option 3
Type option 4
Since single choice element has only one option, you are not able to disable it once it was clicked
Type option 1
By adding multiple choice element, you are able to select and unselect the available option
Type option 1
Should be Empty: