You can work with scenarios in which you can control the conditions you set within your interactive videos. You can define variables and assign values to these variables. Conditional Action widget in Cinema8 editor provides a very easy opportunity to do this.
So, what are these situations in general?
You can score the options clicked by the viewers and show them their total score anywhere in the video.
You can instantly analyze the areas clicked by the viewers and direct people to the video finals based on the options they select.
You can give audio/video feedback based on the answers of your audience.
Based on the answers selected by the viewers, you can make them earn badges, which is a gamification element.
You can enrich your interactive video by using all of these and more variables according to your fiction.