For this type of project, you can use the Video moderation template (view code in the sandbox). Note that validation, keyboard shortcuts, and task layout are already configured in this example.
What else can be configured
Other options for buttons
Decide whether the performer can select only one or multiple answer options:
Add a group of checkboxes using the field.checkbox-group component.
Compare the video with another type of data
Compare the video with search results
Add clarifying questions to one of the options
The helper.switch component displays an interface element after a specific response is selected. In this example, the user can only select correct statements about the video if it loaded.