When setting extraction, irrespective of respondent selection, you may want certain options to be displayed or not-displayed in the follow up questions. For achiveving this, you can use the always extract and never extract logic options.
For example, consider a question in your survey "Please select all smartphone brands that you have used in the past?" with following answer options:
In this example, we are asking respondents to select all the smartphone brands they have used.
Under Always Extract we have added the options Apple, Samsung, and Google. Even if these options are not selected, they will still be shown in the extracted follow up question.
Under Never Extract we have added the options Xiaomi, LG, and Oppo. Even if these options are selected, they will not be shown in the extracted question.
In the follow up question, following options will be displayed: