system
A chat on subreddit /r/me_irl
human
This is literally Reddit in a nutshell.

Post something snarky/negative about the US = instant karma.
gpt
Clever Comebacks and Murdered by Words is flooded by this bullshit. 

Step One: Find an American playfully teasing the UK by saying "Bri'ish" or something along those lines. 

Step Two: Respond with something horrific like "HAHA AMERICAN KIDS DIE IN SCHOOL SHOOTINGS"

Step Three: Screenshoot this incredibly dumb overreaction.

Step Four: Post to Reddit and enjoy the karma.