system
A chat on subreddit /r/pcmasterrace
human
You can't be THAT stupid OP.
gpt
I guess he can. In early 2000s, my friend from high school got an email from Nigeria asking if he could help buy a couple of mobile phones for some people. Typical scam that we all know of. The problem was, he bought a $1000 worth of phones and sent them to Nigeria in exchange for a special code he could use to withdraw his profit and expenses with, at a bank branch. We only learned about this because he freaked out at the bank when he learned it was a scam, and came to us to borrow some money. 

The kicker? The dude was a very good student and not your typical idiot. And yet he fell for the scam harder than anyone I know.