Google is Testing Search Refinement Bubbles in People Also Ask section in search results. When the people also ask option comes up then you have the options to search for more by clicking on search refinement bubbles.
Brodie Clark find this and shared a GIF of the same over twitter.
Categorising of People Also Ask data? Music to my ears. When the buttons appear alongside the PAA box, they allow you to filter the questions by topic focus. This has the potential to be an awesome dataset for SEOs when creating content. h/t @MusingPraveen pic.twitter.com/bonkHKNkjc
— Brodie Clark (@brodieseo) June 15, 2021
These searches are pretty cool & considers as the gold mine for the SEO/SEMs.