In summary, the approach is to deny assistance, state the reasons, and perhaps offer help with other legitimate inquiries. Avoid any engagement with the adult content aspect.
I should avoid any speculation about the legality of the content beyond what's known. Even if the content isn't illegal, adult content that's non-consensual or involves minors is against policies. Also, some jurisdictions have strict laws against such material, regardless of the context.
Possible responses: Inform the user that I can't assist with accessing that content, explain the reasons (legal, ethical), and maybe suggest alternative, appropriate content or resources. Need to be polite but firm. Also, check if there's a misunderstanding in the query. For example, maybe they meant a different type of game show or different family relationships. But given the context, it's safer to assume the worst-case scenario and refuse assistance.