Via Aqua on Twitter
"On this page you will be shown clips of gameplay from Counter-Strike matches. Please watch the clips with audio and answer the questions presented.
The player you are watching will not be directly affected by your verdict. Rather, labels may be used to train future VACNet models.
It is fine (and expected) that you will often select "Uncertain." Please be certain if you make any other selection.
To avoid helping malicious players identify ways to better hide their cheats, please do not stream, record, or share videos of these clips."