system
A chat on subreddit /r/me_irl
human
When we play CAH our house rule is that you can Google anything you don't know, but you have to read the definition aloud to the table.  That card was hilarious.
gpt
We have a variation of this rule: you have to ask your smart phone aloud... which is how I ended up listening to a friend ask, "Siri, what's smegma?"